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Episodes Tagged with "Apollo"

Posted on July 18, 2018

Bill Anders: “We are now approaching lunar sunrise, and for all the people back on Earth, the crew of Apollo 8 has a message that we would like to send to you.” “‘In the beginning God created the heaven and the earth. ‘And the earth was without fo...

Posted on September 13, 2017

“We have been plunged into a race for the conquest of outer space. As a reason for this undertaking some look to the new and exciting scientific discoveries which are certain to be made. Others feel the challenge to transport man beyond frontiers he ...

Posted on December 15, 2016

“I am in a big mass of some very small particles, they’re brilliantly lit up like they’re luminescent. I never saw anything like it! They round a little: they’re coming by the capsule and they look like little stars. A whole shower of them coming by....

Posted on December 16, 2016

Mercury Control was still undecided on the course of action to take with the heat shield problem. Some controllers thought the retrorocket pack should be jettisoned after retrofire, while other controllers thought the retro pack should be retained, a...

Posted on February 12, 2015

In January 1960, President Eisenhower directed NASA Administrator Glennan to accelerate the Super Booster Program that had recently been assigned to NASA. This order ensured the transfer of the von Braun group from the Army Ballistic Missile Agency t...

Using a model at upper left, William Rector of General Dynamics Corp. describes the design his company proposed for the Apollo lunar mission

Spacecraft modules in this drawing were identified in the Space Task Group’s request for proposals from contractors for developing and producing the command module

Saturn 1 test

Saturn 1 test 2

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At lower left, E. E. Clark and Carlos de Moraes of the Martin Company display three of a dozen command module configurations considered before the choice of the one to the right

ASA’s second Administrator, James E. Webb (at center above), and George M. Low (right above) of NASA Headquarters receive a model of General Electric’s proposed vehicle

Posted on February 19, 2015

In May 1961, NASA was not really prepared to direct an enormous Apollo program designed to fly its spacecraft to the moon. New and special facilities would be needed and the aerospace industry would have to be marshaled to develop vehicles not easily...

David G. Hoag, technical design director at the laboratory, examines the inertial measuring unit that would measure changes in Apollo spacecraft velocity when propulsion systems were fired

MIT Instrumentation Laboratory Director C. Stark Draper inspects a mockup of the Apollo guidance and control system in the September 1963

astronaut positions

Posted on February 26, 2015

Max Faget thought the first stage of the moon rocket should use four solid-fueled engines, 6.6 meters in diameter.  He reasoned these could certainly accomplish whatever mission was required of either the Saturn or Nova, and it would be more cost eff...

John_Houbolt_and_LOR2

Earth Orbit Rendezvous

Apollo_Direct_Ascent

Posted on March 5, 2015

Many historians agree, the U.S. took its first step toward the moon in the spring of 1957, four years before President Kennedy declared the national goal of landing a man on the Moon, and returning him safely to the Earth. While still preparing for t...

12-Second stage (S-IV)

11-Booster stage (S-I)

10-Proposed C-2

9-C-1 and earlier vehicles

8-Model of blockhouse at Launch Complex 34

7-Vehicles using Titan and Atlas stages

6-Saturn C

5-Saturn B

4-Preliminary concept of Launch Complex 34, Cape Canaveral

3-Early H-1 Engine

2-Thor-Jupiter engine

1-Proposed configuration of a clustered booster

Posted on March 12, 2015

Just as launch complex 34 dwarfed its predecessors, Saturn’s checkout represented a new magnitude in launch operations. The Saturn C-1 stood three times higher, required six times more fuel, and produced ten times more thrust than the Jupiter. Its si...

Lifting the first stage from the transporter

Hoisting the stage in vertical attitude

Erecting the upper stages

Early design concepts of C-1 and C-5 versions of the Saturn launch vehicles

16-Unloading Compromise in Florida

15-S-I and S-IV stages aboard the Compromise

14-Booster movement around Wheeler Dam

11-Launch Complex 34

10-Configurations of Saturn flight vehicles

9-Saturn Barge route

7-Six-engine configuration of the S-IV stage

6-Redesigned tail of the Saturn booster

5- The barge Palaemon

3-First horizontal mating of the Saturn vehicle

2-Movement of dummy S-IV stage to checkout

Posted on March 18, 2015

No previous maiden launch had gone flawlessly, and the Saturn C-1 was considerably more complicated than any rocket launched thus far. Launch Operations Directorate officials gave the rocket a 75% chance of getting off the ground, and a 30% chance of...

To assemble the large Saturns, NASA needed a plant, preferably one already built. The Michoud facility (above), close to New Orleans, suited the requirements

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Modules of the Apollo spacecraft were tested in Florida in the Manned Spacecraft Operations Building. Above, NASA officials Walt Williams, Merritt Preston, Kurt Debus, Brainerd Holmes, and Wernher von Braun

Maiden launch of the Apollo program- Saturn SA-1 from Cape Canaveral, 27 October 1961

First Saturn Launch

Liftoff of Saturn I. Note the long cable mast falling away on the right

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Abe Silverstein, NASA’s Director of Space Flight Development, is shown touring a rocket engine facility

1-Launch Complex 34, blockhouse interior

Posted on March 26, 2015

The mode that Apollo would use to land on the moon was the most studied, analyzed, and debated decision made for the lunar landing program.  There were four main choices Direct-ascent, Earth-Orbit Rendezvous, Lunar-Orbit Rendezvous, and Lunar Surface...

two landing techniques proposed for the direct ascent mode

SA-1

RendezvousMethods

proposed lunar-surface-rendezvous procedure, a propellant-transfer vehicle takes fuel from the tanker to a manned space vehicle. After loading the fuel, the two astronauts would fire the engine of their spacecraft to return to the earth

Major configuration changes in the Apollo spacecraft from May 1960 to July 1962

Early design concepts of C-1 and C-5 versions of the Saturn launch vehicles

A ferry that would leave a command ship in orbit around the moon, visit the lunar surface, and then return to the command ship for the voyage back to the earth

Posted on April 2, 2015

Langley’s brochure for the Golovin Committee described Lunar landers of varied sizes and payload capabilities.  There were illustrations and data on a very small lander that was able to carry one man for 2 to 4 hours on the moon.  There was an “econo...

Early design concepts of C-1 and C-5 versions of the Saturn launch vehicles

NASA announced selection of the lunar-orbit-rendezvous landing technique at an 11 July 1962 press conference. left to right James E. Webb, Robert C. Seamans, Jr., D. Brainerd Holmes, and Joseph F. Shea

Harry C. Shoaf (Space Task Group Engineering Division 15 November 1961 of a proposed lunar lander to be used with an advanced version of the Mercury spacecraft

concept of a small lunar lander during descent to the surface of the moon, as proposed by Langley Research Center employees in October 1961

Posted on April 9, 2015

Posted on April 16, 2015

After viewing the Apollo spaceport being built in Florida, President Kennedy flew on to Huntsville, Alabama. There, during a tour of Marshall and a briefing on the Saturn V and the lunar-rendezvous mission by von Braun, Jerome Wiesner interrupted Von...

REF: 2-903-6 SA-2 LAUNCH AT CAPE. IGNITION OF ROCKET (SATURN 1 VEHICLE)

SA-2 erected on launch pedestal

Wernher_von_Braun_confers_with_Brainerd_Holmes_and_Nicholas_Golovin

Posted on April 23, 2015

The Apollo contract specified a shirt-sleeve environment. For this reason, North American was told not to include in its design a hatch that opened by explosives, like Mercury’s. An accidentally blown hatch in space would cause an instant vacuum and ...

The impact facility at North American was used to drop-test the CM

Selection of Little Joe II completed the Apollo family of launch vehicles.

Scott Carpenter, John Glenn, and Walter Schirra in 1963 inspect a full-scale mock up of the Apollo CM

North American Aviation Stormy,

Interior of a partial full-scale mockup of the Apollo command module

major parts of the command module structure

Posted on April 30, 2015

Posted on May 7, 2015

“The contractor role in Houston was not very firm. Frankly, they didn’t want us. There were two things against us down there. Number one, it was a Headquarters contract, and it was decreed that the Space Centers shall use GE for certain things; and n...

General Electric employees monitor activities of a spacecraft test in the automatic-checkout-equipment spacecraft control room in 1965

comparison of spacecraft and launch vehicle configuration

Apollo tracking network in 1966. Radar stations with large antennas for continuous tracking and communications were at Goldstone, California; Madrid, Spain; and Canberra, Australia

Posted on May 14, 2015

…From the information they gathered on the existing technical problems, Disher and Tischler concluded that prospects were only one in ten that Apollo would land on the moon before the end of the decade….

Full-scale model of the command module, above- the strake aerodynamic devices may be seen at either side of the spacecraft just above the aft heatshield

Removing LM from S=IVB stage

On 16 November 1963 in Cape Canaveral’s Blockhouse 37, NASA’s new manned space flight chief George Mueller

Communications with the moon as the earth turned. Astronauts on the moon’s surface also could talk to one another

Posted on May 21, 2015

Max Faget’s position was that considering the difficulty of the job,  if each mission was successful half the time, it would be well worth the effort.  But Gilruth thought that was too low.  He want a 90% mission success ratio and a 99% ratio for Ast...

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The cabin section (or primary structure) of the CM is assembled at North American in 1965

The CM probe would slip into the LM’s dish-shaped drogue, and 12 latches on the docking ring would engage, to lock the spacecraft together, airtight

Full-scale model of the service module, resting on a mockup of a spacecraft-lunar module adapter, with panels off to reveal part of the internal arrangement

Jettison of the launch escape system (right) after successful launch, also pulls away the boost protective cover that protects the windows from flame and soot

On the drawing of the launch escape system at upper right, the canard aerodynamic devices are near the top of the escape tower

Posted on May 28, 2015

Saturn 1, SA-6 was the first orbital launch of an Apollo Spacecraft by a Saturn Launch Vehicle and also the first flight utilizing an active ST-124 Stabilized Platform.

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SA-6 spacecraft and launch vehicle ready to go

SA-6 on pad

SA-5Section cuts

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SA-5 S-IV stage

SA-5 on pad

SA-5 Demensions

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apollo_sa4

Posted on June 4, 2015

A few seconds after liftoff, a fin-vane at the base of the booster stuck and started the 13-meter-tall spacecraft-booster combination spinning like a bullet. Twenty-six seconds into the flight the vehicle started coming apart. The abort-sensing syste...

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Little Joe II- On Pad, Complex 36 (December 7, 1964)

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A pad abort test at White Sands, left, helped determine that the launch escape system could propel the Apollo command module away from danger if a Saturn launch vehicle explosion should threaten

A desert area at White Sands Test Facility, New Mexico, was used for testing the spacecraft propulsion system module

Posted on June 11, 2015

Since the lunar module would fly only in space (earth orbit and lunar vicinity), the designers could ignore the aerodynamic streamlining demanded by earth’s atmosphere and build the first true manned spacecraft, designed solely for operating in the s...

6-NASA engineers in 1964 decided that astronauts could stand in the lunar module cabin during the trip to the lunar surface. Note triangular windows

7-Proposed sleeping positions for astronauts on the moon

5-Mockup of lunar module cabin with seats

4-The drawing of the stage indicates positions of components

3-underside of the lunar module descent stage shows fuel tank installation

2-Administrator James Webb examines models of the lunar and command modules in docked position

1-Lunar module generations from 1962 (above left; the vehicle originally proposed by Grumman) to 1969

Posted on June 17, 2015

The Lunar Lander originally had two docking hatches, one at the top center of the cabin and another in the forward position, or nose, of the vehicle, with a tunnel in each location to permit astronauts to crawl from one pressurized vehicle to the oth...

3-improved lunar module features – ladder, porch, hatch, and rendezvous window

2-he addition of a ladder on a landing gear leg made the task much easier

1- Astronauts found a knotted rope from the lunar module difficult to climb down (or up)

Posted on July 2, 2015

At various stages of lunar module design, mockup reviews were conducted to demonstrate progress and identify weaknesses. These inspections were formal occasions, with a board composed of NASA and contractor officials and presided over by a chairman f...

5-Removing the LEM

4-ApolloSpacecraftLMAdapterDiagram

3-Apollo_Spacecraft_diagram

2-Tm-1 mockup of the Lunar Module

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Posted on July 9, 2015

The key to high-energy stages was to use liquid hydrogen as the fuel.  Liquid hydrogen fuel appealed to rocket designers because of its high specific impulse, which is a basic measure of rocket performance. Specific Impulse is the impulse delivered p...

4-SIV-SIVB

3-Saturn 1b-V

2-Cutaways

1- SIV_rocket_stage

Posted on July 16, 2015

The Pegasus satellite was named for the winged horse of Greek mythology.  Like its namesake, the Pegasus was notable for its “wings”, a pair of 29 meter long, 4.3 meter wide arrays of 104 panels fitted with sensors to detect punctures by micrometeoro...

4- Saturn_SA10_launch

Saturn_SA8_launch

2- The SA-9

8- Pegasus_Deployment_sequence

7- Cutaway views show the interior of the command module (for clarity, the center couch is not shown)

6- Pegasus Deployed

5- Pegasus Stowed

4- Saturn_SA10_launch

Posted on July 23, 2015

Posted on July 30, 2015

Selection of Group Two virtually depleted the pool of qualified candidates from the small corps of test pilots in the country, and it was the last group for which test-pilot certification would be a requirement. The new trainees reported to Houston i...

2-NASA_Group_1_and_2_Astronauts_Photo_With_Autopens

2-Back row- See, McDivitt, Lovell, White, & Stafford. Front row- Conrad, Borman, Armstrong, & Young

1- Project_Mercury_AstronautsBack row- Shepard, Grissom, Cooper; front row- Schirra, Slayton, Glenn, Carpenter.

Posted on August 5, 2015

With Group 4, for the first time, the selection criteria did not include a requirement for test pilot proficiency. Selectees who were not qualified pilots would be assigned to the Air Force for a year of flight training. The primary scientific requir...

Group4Astronaut

4-Group 4 L-R- Garriott, Gibson. Front row, L-R- Michel, Schmitt, Kerwin.

3-Astronaut_Group_Three_-_GPN-2000-001476

Posted on August 13, 2015

“Some of those guys came in figuring, “I’ll write my textbooks and my thesis and teach [university courses] and I’ll come by twice a week and be an astronaut.” Well, that didn’t work …. We were devoting our lives to this whole thing, and you couldn’t...

5-Back row, from L-R- Swigert, Pogue, Evans, Weitz, Irwin, Carr, Roosa, Worden, Mattingly, Lousma. Front row, from L-R- Givens, Mitchell, Duke, Lind, Haise, Engle, Brand, Bull, McCandless

Posted on August 20, 2015

Apollo Saturn 201 employed the Saturn IB launch vehicle, which  was the up-rated version of the Saturn I rocket flown in ten earlier Saturn-Apollo missions. It featured an upgrade of the first stage engines to increase thrust from 1,500,000 lb-ft of ...

AS-203_launch

AS-202_launch

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Apollo-Saturn 201 mission – launch, recovery

Posted on August 27, 2015

Christopher Columbus Kraft Jr. was Born on February 28, 1924 in a town that no longer exist, Phoebus, Virginia. The town has now been engulfed by Hampton, Virginia. Kraft was named after his father, Christopher Columbus Kraft, who was born in New Yor...

3-Christopher_Kraft,_flight_director_during_Project_Mercury,_works_at_his_console_inside_the_Flight_Control_area_at_Mercury_Mission_Control

2-Wally Schirra (right) consults the flight plan for his Mercury-Atlas-8 (MA-8) mission with Flight Director Chris Kraft

1-Chris Kraft and Rober Gilruth

Posted on September 3, 2015

At the beginning of the Apollo program, Kraft retired as a flight director to concentrate on management and mission planning. In 1972, he became director of the Manned Spacecraft Center, following the path of his mentor Robert Gilruth.

3-Robert F. Thompson (center) and Christopher C. Kraft Jr. (right) brief Rear Admiral W.C. Abhau

2-Kraft with his new flight directors before the Gemini 4 mission Clockwise from lower right Kraft, Gene Kranz, Glynn Lunney and John Hodge

1-Kraft Kranz Gemini Fuel Cell problem

Posted on September 10, 2015

As Procedures Officer, Kranz was put in charge of integrating Mercury Control with the Launch Control Team at Cape Canaveral, Florida, writing the “Go/NoGo” procedures that allowed missions to continue as planned or be aborted, along with serving as ...

3-Kranz and his teacher Kraft

2-Kranz at his console on May 30, 1965, in the Mission Operations Control Room, Mission Control Center, Houston

1-Kranz-F86 Sabre Cat

Posted on January 14, 2016

A total of five Lunar Orbiter missions were launched by the US in 1966 through 1967.  The purpose of the lunar orbiter series was to photograph the moon’s surface for selection and verification of safe landing sites for the Surveyor and Apollo missio...

8-wresat

7-Wresat

6-Wresat

5-Lunar Orbiter 5 photo of the entire Tycho impact crater in the southern highlands

4-LO 4 Davy crater chain chain stretches from Davy Y at left to the large bright Davy G diameter 15 km Note the even spacing of the craters

3Lunar Orbiter 3 Image 3121_M – Tsiolkovskiy Crater center

2-Lunar Orbiter 2 on November 20, 1966, 29 miles (47 km) above the lunar surface, over the Sea of Tranquility

1-Lunar Orbiter 3 spacecraft

Posted on January 21, 2016

The primary objectives of the Surveyor program, were to support the Apollo landings by: (1) developing and validating the technology for landing softly on the Moon; (2) providing data on the compatibility of the Apollo design with conditions encounte...

6-Astronauts Pay a Visit to Surveyor 3

5-Photomosaic of a panorama taken by Surveyor 7 of its landing site

4-Surveyor 6 on the Plains of Sinus Medii

3-Wide-angle picture of the northwest wall of the Surveyor 5 crater

2-Surveyor_4_launch

1-Photograph of the Surveyor 3 spacecraft resting on the surface of the Moon, taken by Apollo 12 astronauts

Posted on June 13, 2013

Candidates were given continuous psychiatric interviews throughout the week, and extensive self-examination through a battery of 13 psychological tests for personality and motivation, and another dozen different tests on intellectual functions and sp...

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gustraining

GPN

Centrifuge

Scott

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gustraining

Posted on August 22, 2013

“We have been plunged into a race for the conquest of outer space. As a reason for this undertaking some look to the new and exciting scientific discoveries which are certain to be made. Others feel the challenge to transport man beyond frontiers he ...

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413px-John_F._Kennedy_speaks_at_Rice_University

Posted on August 29, 2013

Mercury-Redstone 4 was the fourth mission in the Mercury-Redstone series and the second U.S. manned suborbital spaceflight. The mission was essentially a repeat of Alan Shepard’s Freedom 7 flight.   So why was it necessary to launch another sub-orbit...

Liberty_Bell_7_The_Kansas_Cosmosphere_and_Space_Center

513px-Grissom_lifted_from_water_61-MR4-82

Mercury_4_Hatch

1137px-Grissom_prepares_to_enter_Liberty_Bell_7_61-MR4-76

GusSuitup

460px-Mercury-Redstone_4_Launch_MSFC-6414824

Posted on June 12, 2019

Even with all the problems, Shepard piloted the Lunar Module Antares to the most accurate landing of the entire Apollo program. Shepard became the fifth and, at the age of 47, the oldest man to walk on the Moon, and the only one of the Mercury Seven ...

P9-Alan-Shepard-Stamp

P7-Shepard, Alan

P9-Alan-Shepard-Stamp

P8-Shepard’s memorial stone in Derry, New Hampshire; his ashes were scattered at sea

P7-Shepard in 1995

P5-Alan_Shepard_during_training_for_the_Apollo_14_mission

Posted on September 26, 2013

Mercury Control was still undecided on the course of action to take with the heat shield problem. Some controllers thought the retrorocket pack should be jettisoned after retrofire, while other controllers thought the retro pack should be retained, a...

mercury-flight-27[3]

mercury-flight-26[3]

mercury-flight-25[3]

mercury-flight-24[3]

mercury-flight-24[3] (1)

Ma6Smith

MA6-dye released

MA6 on tv

Posted on October 3, 2013

As part of the pre-Apollo preparations, NASA created the Ranger series of missions to take high-quality pictures of the Moon and transmit them back to Earth in real time…

640_goonhilly

640_telstar-engineers

Telstar1

space rocket history pic22

Ariel-1

Thor_Delta_with_Ariel_1_(Apr._26,_1962)

Ranger4

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Ranger-4-Atlas-Agena-B

Posted on March 25, 2020

It was decided that henceforth, cosmonauts would wear pressure suits for launch and the return to Earth. Also, a system was installed to automatically pump air into the descent module in the event of decompression.  Additionally, the ventilation valv...

P3-Revised2CosSoyuz-1

P6-A15FlightJour

P5-A15SuitSchd

P4-A8PressKit

P2-Valve1SimplifiedDepiction

P1-Valve-2

P3-Revised2CosSoyuz

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P1-Valve1SimplifiedDepiction

Posted on April 8, 2020

The twelve day Apollo 15 mission was scheduled to launch on July 26, 1971.  It would be the fourth United States human exploration of the Moon. As compared with earlier missions, Apollo 15 would double the time and extend by a factor of ten the range...

P2-apollo-15-sound-on-moon-2

P3-al-nasa

P1-Map

Posted on April 22, 2020

Dave Scott showed incredible presence of mind during the unexpected events of the Gemini 8 mission. Even in the middle of an emergency, out of contact with Mission Control, he had thought to reenable ground control of the Agena before the two vehicle...

P1-Jim_Irwin

P3-DaveNeilG8

P2-james-irwin-apollo-15

Posted on May 6, 2020

As Command Module Pilot for Apollo 9, Scott’s responsibilities were heavy. The Lunar Module was to separate from the Command and Service Module during the mission; if it failed to return, Scott would have to run the entire spacecraft for reentry, nor...

P2-ScottMoon

P1-Dave_Scott_Apollo_15_CDR

P3-Apollo_15_Flown_Cover

Posted on May 20, 2020

The last face they saw was Guenter’s, smiling and waving an enormous crescent wrench. Then the heavy hatch closed with a deep thunk. Dave Scott Suits UpApollo 15 Building ThrustApollo 15 Liftoff

P2-A15-Ignition

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P1-Dave-Scott

Posted on June 3, 2020

For Scott all feelings were forgotten. All senses except sight were subordinated. All Scott’s concentration was focused on hearing information from Irwin, Worden and Mission Control about the status of the spacecraft and the Saturn V. Apollo 15 in V...

P1- vehicle well into its vertical flight

P2-Graph of g-forces during the Saturn V’s ascent into Earth orbit

Posted on June 17, 2020

The SPS engine was used for all the future burns.   It was the astronauts ticket home.  Any doubt as to whether it could fire raised the question as to whether the mission could continue. TranspositionDelta-V Thrust Switch Showing ContaminationShatt...

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Posted on July 1, 2020

Craning to look through the triangular window for a glimpse of the land ahead, Scott saw no sign of Hadley Rille. Landing SiteLandingFalcon on the Moon

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P2-A15-landing-site

P1-A15-landing

Posted on July 15, 2020

It was immediately clear that Falcon had landed on uneven ground, right on the rim of a small crater; the LM was tipped backward at a slight angle. It turned out that one of the rear feet had landed in a shallow crater. Landing site LandmarksSEVA SE...

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Posted on July 29, 2020

After a good nights sleep, Houston woke the astronauts up an hour early the next morning because of a slight oxygen leak. Irwin Nearly FallsGreen Glass ClodsLunar Rover

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P1-IrwinNearFall

Posted on October 24, 2013

After Scott Carpenter’s science heavy Mercury-Atlas 7 flight, Nasa’s next mission would concentrate on the technical and engineering aspects of space travel.  Mercury Atlas 8 became the third manned orbital flight of the Mercury program. The pilot se...

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Posted on November 7, 2013

Mercury-Atlas 9 was the fourth and final manned orbital flight of the Mercury program. The flight objectives were to: (1) evaluate the effects on the astronaut of approximately one day in orbital flight; (2) verify that man can function for an exte...

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Posted on December 19, 2013

You may recall from episode 32 Ranger- 4 was the first  U.S. spacecraft to reach another celestial body. However, Ranger-4 failed it primary mission of returning pictures from the moon…

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Posted on January 23, 2014

This brings us to Project Gemini.  Gemini started after Apollo had begun, in part to answer a crucial question for Apollo. Was rendezvous and docking in orbit a feasible basis for a manned lunar landing mission?

fig6 (1)McDonnell-proposed two-man Mercury spacecraft. Shown is the interior arrangement of spacecraft equipment

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Posted on January 30, 2014

“The main trouble with the Mercury capsule was that most system components were in the pilot’s cabin; and often, to pack them in this very confined space, they had to be stacked like a layer cake and components of one system had to be scattered about...

The operating principle of the fuel cell designed by General Electric, adopted for use in the Gemini spacecraft

modified Titan II booster

Gemini spacecraft to be released publicly

Adapter Section of Mark II

Four stages in a rendezvous mission as conceived early in 1962

An artist’s version of the use of ejection seats to escape from the Gemini spacecraft

fig8 proposed lunar lander to be used with an advanced version of the Mercury spacecraft

Posted on February 6, 2014

On January 3 1962, “Gemini” became the official designation of the Mercury Mark II program. The name had been suggested by Alex  Nagy of NASA Headquarters because the twin stars Castor and Pollux in constellation Gemini (the Twins) seemed to him to s...

The general arrangement of liquid rocket systems (OAMS and RCS) in the Gemini spacecraft

Gemini landing gear part of the land landing system along with the paraglider

fig41The B. F. Goodrich partial-wear full-pressure suit being developed for the Gemini program

fig33Figure 33. The emergency parachute recovery system for the half-scale paraglider flight test vehicle for Phase II-A of the development program – Copy

fig27Gemini spacecraft nomenclature – Copy

Agena B

Posted on February 27, 2014

One second after 11 o’clock Wednesday morning, April 8th 1964, the Titan II booster’s first-stage engine ignited. Four seconds later, the 156 ton vehicle lifted from the pad on that curiously lambent flame so distinctive of Titan II’s hypergolic prop...

Tang

space rocket history pic69

Gemini1-1

Gemini Launch

Gemini 1 Left Instrument Pallet

Gemini 1 Experiment Pallets

Posted on July 17, 2014

Many doubted that Agena could be ready in time to meet Gemini’s tight launch schedules. The end of 1965 saw Agena’s usefulness in manned space flight once again called into question, but this time time a substitute target had already been approved fo...

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Gemini Augmented Target Docking Adapter during pre-flight checkout

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Posted on July 24, 2014

On September 20th 1965, NASA named the crew for Gemini VIII. The command pilot selected was Neil Armstrong, a civilian test pilot with much experience in the X-15 rocket research aircraft program. David Scott was selected as pilot.  Scott was the fir...

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gemini8 at air and space museum Wapkoneta ohio

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Gemini 8 water egress test

F9F-2_Panthers_VF-51_over_Korea_1951 with Armstrong piloting

David Scott

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Posted on July 30, 2014

This was the most complex mission attempted to date. The primary mission objectives were to perform rendezvous and four docking tests with the Gemini Agena Target Vehicle (GATV) and to execute an ExtraVehicular Activity (EVA)…

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Agena view from G8

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Posted on August 7, 2014

Armstrong eased Gemini VIII toward the target at a barely perceptible speed of 8 centimeters per second. Then Armstrong gleefully reported, “Flight, we are docked!” For a brief moment, the flight controllers in Houston did not realize they had really...

G8 Ohio A&

gemini8 at air and space museum Wapkoneta ohio

G8

Posted on August 14, 2014

In the 1960s, during the cold war, the US and Soviet Union turned their attention to the moon. The question was, who could place a man on the moon and return him safely to the earth first? Obtaining the necessary data on the moon to risk sending a pe...

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Surveyor_1_Foot_Pad on the moon

Surveyor_1_launch with Atlas Centar

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luna10

Posted on August 28, 2014

After the untimely deaths of Elliot See and Charles Basset, NASA assigned the Gemini IX prime crew positions to Tom Stafford and Gene Cernan.  This was the first time in NASA’s manned space flight history that a backup crew had taken over a mission. ...

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Posted on August 21, 2014

In October 1965, Elliot M. See and Charles A. Bassett II were selected to fly Gemini IX. Chief Astronaut Deke Slayton also told them that their backups would be Thomas Stafford and Eugene Cernan.  At that time Stafford was copilot for Gemini VI…

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Posted on September 4, 2014

As contractors worried about technical problems with the Atlas, Once again NASA, faced the necessity for a quick recovery plan when a target vehicle failed to reach orbit. You may recall the first time was with Gemini 6.  But this time Nasa had somet...

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tom Stafford in orbit

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Posted on September 11, 2014

We left off last week with Tom Stafford and Gene Cernan completing three rendezvous with the ATDA but, no docking because the shroud was still in place on the Docking Adapter. On June 5, 1966 at 5:30 a.m., nearly 45 hours and 30 minutes into the miss...

Gemini 9 splashes down at 9-00 A.M., June 6, 1966. The day of the EVA was also their last in space

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Posted on September 18, 2014

Deputy Administrator Seamans wanted a mission review board created to study: (1) Corrective measures for the Atlas-Agena failure (2) The guidance update problem that delayed the launch two days (3) The shroud incident (4) The suit environmental c...

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Gemini 9 astronauts Gene Cernan and Tom Stafford brief Gemini 10 astronauts John Young and Mike Collins. And….how about that nice ATDA model in full gator

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Posted on September 25, 2014

“At first, the sensation I got was that there was a pop, then there was a big explosion and a clang. We were thrown forward in the seats. We had our shoulder harnesses fastened. Fire and sparks started coming out of the back end of that rascal. The l...

John Young in Gemini 10

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Gemini 10 Agena

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Collins shortly after launch

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Posted on October 2, 2014

Collins emerged from the spacecraft at dawn. Like Gene Cernan on Gemini IX-A, he found that all tasks took longer than he expected. But he was able to retrieve the package from the exterior of his spacecraft…

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DaveG10

Posted on October 9, 2014

Some significant goals had been set for the last two Gemini flights. For example, the Apollo Spacecraft Program Office wanted a rendezvous in the first spacecraft orbit, which would simulate lunar orbit rendezvous. There was also interest in linking ...

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RichardFGordon

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agena 11

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Gemini_11_Gordon_suits_up for G11

Posted on October 16, 2014

Conrad shouted to Gordon “Ride ’em, cowboy!”  Gordon was Riding bareback, with his feet and legs wedged between the docked vehicles. In practice sessions in zero-g aircraft flights, Gordon had been able to push himself forward, straddle the reentry a...

Gordon Astride Agena

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Posted on October 23, 2014

The rotation rate checked out at 55 degrees per minute, and the crew could now test for a minute amount of artificial gravity. When they put a camera against the instrument panel and then let it go, it moved in a straight line to the rear of the cock...

Recovery of G11

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G11 parachute

Agena Tether Experiment

Posted on October 30, 2014

When the  Gemini IX-A Agena fell into the Atlantic Ocean, Gemini XII was threatened with a major hardware shortage of an Agena and an Atlas to launch it. Replacing the Agena was no real problem. Lockheed’s first production model, 5001, used for devel...

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p2-Aldrin Lovell Cernan Cooper

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Posted on November 6, 2014

In space, Jim and Buzz began to wonder if everything had been shut down too soon. For 25 minutes, with one brief exception, they heard nothing from the ground. The Ascension Island tracking station had the wrong acquisition time, so its communicators...

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G12 tether

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Posted on November 13, 2014

Posted on January 29, 2015

President Kennedy proposed the manned lunar landing as the focus of the US space program but, at the time of his address, only one American, Alan B. Shepard, Jr. had been into space, on a suborbital lob shot lasting 15 minutes. No rocket launch vehic...

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GilruthThompsonGlennan

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Posted on February 5, 2015

The goal of the nation’s space program should be the scientific exploration of the moon and the planets but also to recognize that nontechnical factors are vital to public acceptance of a space program. Human exploration of the moon and planets would...

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ST-69-4-63

Posted on April 20, 2016

After Scott Carpenter’s science heavy Mercury-Atlas 7 flight, Nasa’s next mission would concentrate on the technical and engineering aspects of space travel.  Mercury Atlas 8 became the third manned orbital flight of the Mercury program. The pilot se...