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Episodes Tagged with "Agena"

Posted on December 5, 2018

Mariner 4’s primary objective was to conduct closeup scientific observations of Mars and to transmit these observations to Earth. Additional goals included performing field and particle measurements in interplanetary space, and providing experience a...

Posted on October 31, 2013

During the summer of 1962 final preparations were underway for the first U.S. attempt to reach another planet.  The planet was Venus, Earth’s closest planetary neighbor.  This first flight would be accomplished by the JPL built Mariner 2 spacecraft…

space rocket history pic34

nasa_mariner2_float

Mariner_2_launch

Mariner_2_in_space

Diagram_of_Mariner_1_or_2_with_Atlas-Angena_launch_vehicle

413718main_g-64-1573

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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Esro-logo

nimbus_meteorological_satellite

64-041A

220px-NASA_FACTS_Volume_2_number_6_PROJECT_RANGER_image_04

610px-Ranger7_PIA02975

Posted on January 16, 2014

Mariner 4’s primary objective was to conduct closeup scientific observations of Mars and to transmit these observations to Earth. Additional goals included performing field and particle measurements in interplanetary space, and providing experience a...

Cratered Hilands Mars

mariner04

Pickering-Johnson

Mariner_4_launch_2

Mariner Crater

20121209_Mars_Mariner_4_f840 Nasa

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 12, 2014

“Blue Gemini” was the tag name for an Air Force manned space flight program to develop rendezvous, docking, and transfer for military purposes, using Gemini-type spacecraft. The concept became firmer in June, when the Air Force Space Systems Division...

fig58 Astronauts after a training session in desert near Stead Air Force Base, Nevada

Goal

fig54 Instrumented mannequin being lowered into a boilerplate Gemini spacecraft in preparation for a dynamic sled test of the Gemini ejection system

fig52 Gemini launch vehicle 1 undergoing tests in the vertical test facility at Martin’s Baltimore plant

fig51 POGO suppression equipment proved out in the Titan II development program

fig48 Proposed deployment sequence for the ballute stabilization device

fig47 Titan II flight N-15 was launched from Cape Canaveral on January 10, 1963

Posted on February 20, 2014

“The primary objective of the first Gemini mission, was to prove that the Titan II was capable of launching the Gemini spacecraft into orbit within the tolerances imposed by manned space flight. The secondary objective was for the spacecraft to gathe...

fig70 Gemini-Titan 1 during Electronic-Electrical Interference Tests with the launch vehicle erector lowered

fig68Gemini boilerplate 3A in the production area at the McDonnell plant before being shipped to Weber Aircraft

fig66Sequence Compatibility Firing of the two stages of Gemini launch vehicle 1 at pad 19, Jan. 21

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 March 6, 2014

The bright outlook that was prevalent in April turned dark in the late summer of 1964 when a series of natural disasters struck the Cape. First lightning, then hurricanes, damaged the Gemini 2 launch vehicle to delay its flight long past the schedule...

Retro Adapter

Mercury and Gemini

Ejection

Retro Adapter

GT2_S-64-40154

Figure 74. Special instrumentation pallets to be installed in Gemini spacecraft No. 2 in the same positions that astronauts would occupy in later flights

Figure 75. The first stage of Gemini launch vehicle 2 being unloaded from an Air Force C-133 at Cape Kennedy

Posted on April 17, 2014

In total Ranger 9 transmitted 5,814 good contrast photographs during the final 19 minutes of flight. The last image taken before impact had a resolution of 0.3 meters per pixel. The spacecraft encountered the lunar surface after 64.5 hours of flight....

Sea of Tranquillity on the Moon from 11 km, 5 seconds before impact

Rilles on the Floor of Alphonus Crater

ranger8launch

ranger

Ranger 9

INTELSAT_I_(Early_Bird)

First picture of the Moon taken by Ranger 8

Delta_D_Intelsat1

Posted on April 24, 2014

Posted on May 1, 2014

For the first time Television coverage of the launch had an international audience, as the scene was broadcast to 12 European nations via Intelsat 1 aka the Early Bird satellite of episode 59. Heightened by the prospect of an EVA and the first use of...

Spacewalk

Manned Maneuvering Unit

Gt4Patch

gemini-4

gemini-4_landing

Gemini_4_Outside_National_Air_and_Space_Museum

Gemini 4 recovery

Gemini 4 launch

Gemini 4 inside national air and space

Gemini -24 scale model

Ed white

G4 button

Posted on May 8, 2014

On orbit 48, after 75 hours of flight a problem arose. During a pass over the continental US the flight computer was updated. McDivitt was told to switch off the computer. He flipped the switch but the computer did not turn off. On the ground at miss...

Food packages of beef and gravy fully reconstituted and ready to eat. The water gun is used to reconstitute dehydrated food and the scissors are used to open the packages to eat

This package of spacefood, like the ones carried aboard Gemini missions, contains a complete meal combination, which consists of entree, vegetables and dessert. Additionally, it has a package of drink crystals

This meal includes a beef sandwich, strawberry cereal cubes, peaches, and beef and gravy. Astronauts used a water gun to reconstitute the food and scissors to open the package

Posted on May 15, 2014

By this time the Astronauts were thinking about a nickname for their spacecraft, but NASA Headquarters now officially refused to allow nicknames for Gemini spacecraft. However, Gordo Cooper was not so easily put off. Pete Conrad’s father-in-law had w...

gordo recovery

Gemini5insignia

gemini5-surrounded-by-mcdonnell-works-during-checkout-240×310

Gemini5-splashdown

Gemini5-cockpit-pre-launch

gemini-v-crew

gemini-5-cape-kennedy-240×242

gemini-5-baja-california

Gemini-5_Gordon_Cooper_recovery

Gemini_5_Radar_Evaluation_Pod

Gemini_5_on_the_pad_19

Gemini_5_Fuel Cell

Dave Hint

Posted on May 22, 2014

Posted on May 29, 2014

Posted on June 5, 2014

From the previous episode, it was decided that the name of Gemini VI would be changed to Gemini VI-a to distinguish it from the originally planned mission whose objective was to rendezvous with the Agena target vehicle. Gemini VII would be launched f...

GT7 Launch

gemini7patch

Lovell before the launch, in the special G5C space suit, which had a zippered hood with a visor instead of a solid helmet

Gemini_7_Crew_(Lovell_und_Borman)

Moon and clouds over the Western Pacific as seen from Gemini 7

Borman and lovell boarding

Posted on June 12, 2014

From the previous episode, we have Gemini VII waiting in orbit for Gemini VI-A to launch and rendezvous.  Remember, Gemini VII could only remain in orbit for 14 days, the maximum duration of its flight.  The goal was to launch Gemini VI-A on or befor...

Gemini_VI_Launch_-_GPN-2000-000612

Gemini_7_in_orbit_-_GPN-2006-000035

Gemini_6_Views_Gemini_7

Gemini 6 harmonica

1200px-Gemini_6_launch_abort

Hint for G6

Gemini_VI_Stafford_capsule

Gemini 7 as seen by Gemini 6

Posted on June 18, 2014

The Gemini Program was conceived after it became evident to NASA officials that an intermediate step was required between Project Mercury and the Apollo Program. The major objectives assigned to Gemini were: 1-To subject two men and supporting equip...

G7 crew

GT on Wasp

Gemini 7 spacecraft on display at the Steven F. Udvar-Hazy Center

Recovery of G7

Hellicopter over G6

GT7 on Wasp

G6&7 on Wasp

G7 Before Splashdown

G7 Arrive on Wasp

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...

gemini_atv_8

Gemini Augmented Target Docking Adapter during pre-flight checkout

gemagena

agenhgre

800px-S66-25781_PR

facebook hint

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...

Niel and David

Neil_Armstrong_in_Gemini_G-2C_training_suit

neil_armstrong_david_scott

Neil_Armstrong_1956_portrait

gemini8 at air and space museum Wapkoneta ohio

Gemini-VIII-flight-crew-SCOTT-David-R.-and-ARMSTRONG-Neil-A.

GEMINI-TITAN-8_-_PRELAUNCH_ACTIVITY

gemini_atv_8

gemini_8

Gemini 8 water egress test

F9F-2_Panthers_VF-51_over_Korea_1951 with Armstrong piloting

David Scott

Gemini-VIII-flight-crew-SCOTT-David-R.-and-ARMSTRONG-Neil-A.

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)…

gatv_diagram_labelled

Agena view from G8

640px-Gemini_8_during_rescue

Gemini_8_launch

Gemini_8_docking with agena

Gemini_8_Atlas-Agena_launch

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 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. ...

Gemini_9Acrew

g9patch

AtlasAgenaG9a

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…

Elliot_See

gemini9

Charles_Bassett

Elliot_McKay_See

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...

AugmentTargetDockingAdapter

tom Stafford in orbit

hint for facebook

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...

KSC-66P-0323

KSC-66P-0317

gemini-10-astronaunt-michael-collins-pilot-for-nasa

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

640px-Gemini10crew

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

Gemini_10_launch_time_exposure_-_GPN-2006-000036

Gemini 10 Agena

Ge10Patch_orig

Collins shortly after launch

Agena_Firing_-_GPN-2000-001355

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…

gemini-10_recovery

gemini_11_splashdown_recovery_print-r5a59c8d7c6244f54af0dc3eba26b9a72_wa3_8byvr_512

G10RecoveryCertificate

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 ...

scan0704

RichardFGordon

320px-Gemini_11_patch

agena 11

Gemini_11_prime_crew_(Gordon_and_Conrad)

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

agena 11

1024px-Gemini_Profiles

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

mySuperLamePic_4b6522ec730b0c0a85b7ed20f7c4f00f

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...

p3-AldrinLovell

p2-Aldrin Lovell Cernan Cooper

p-1G12Patch

gemini-12_2

Agena12

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...

Agena12tether

buzzViewHatchOpen

Gemini_XII_Mission_Image_-_Solar_Eclipse

G12 tether

buzzadrinview

Posted on November 13, 2014