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Aug 29

Space Rocket History #27 – Mercury-Redstone 4 – Liberty Bell 7 with Gus Grissom

Posted on August 29, 2013 by spac9750

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-orbital mission? Why not proceed with an orbital flight to match the Soviet Vostok 1? Among other things the U.S. needed more space experience to corroborate the “Man-in-Space” concept. Also the Redstone was the only booster NASA had that was approved for manned launches. The Atlas booster was available but not ready. Atlas was capable of putting a Mercury Capsule into orbit, but it had been launched three times with unmanned capsules, and it had exploded on 2 of the 3 attempts.

MR-4 Launch

Gus Grissom

1137px-Grissom_prepares_to_enter_Liberty_Bell_7_61-MR4-76

Ready to Go

MR-4 Hatch

513px-Grissom_lifted_from_water_61-MR4-82

Rescue

Liberty Bell 7

Aug 15

Space Rocket History #25 – Mercury Redstone 3 – Freedom 7 with Alan Shepard

Posted on August 15, 2013 by spac9750

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Over 52 years ago, in the early hours of May 5th, 1961 the US prepared to launch its first man into space. Three weeks earlier, the Soviet Union had sent Yuri Gagarin on an orbital mission. This was a suborbital mission planed to last only 15 minutes. For the moment that did not matter, the entire nation held its breath while Alan Shepard became America’s first man in space.

Medical Telemetry

Shepard Suiting Up

Climbing In

Personal Problem

Launch

45 Million Viewers

Control Panel

Console Panel

Navigation Aids

Flight Plan

In Flight

On the Carrier

Huntsville

Shepard & Kennedy

Medal Ceremony

Jul 26

Space Rocket History #22 – The Vanguard Six

Posted on July 26, 2013 by spac9750

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When the 20 Cosmonaut candidates were asked to anonymously vote for which candidate they would like to see fly first, all but three chose Gagarin. The consensus was, Gagarin was very focused, and demanding of himself and others when necessary.

Gagarin

Titov

Nikolaev

Popovic

Bykovsky

Tereshkova

Tereshkova & Nikolaev

Jul 04

Space Rocket History #19 – Little Joe: Mercury’s Test Vehicle

Posted on July 4, 2013 by spac9750

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“The designers made the Little Joe booster assembly to approximate the same performance that the Army’s Redstone booster would have with the capsule payload. But in addition to being flexible enough to perform a variety of missions, Little Joe could be made for about one-fifth the basic cost of the Redstone, would have much lower operating costs, and could be developed and delivered with much less time and effort. And, unlike the larger launch vehicles, Little Joe could be shot from the existing facilities at Wallops Island.”