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Joseph A. Walker's flights of the X-15's flights 90 and 91 was in 1963-07-19 (106 km) and 1963-08-22 (108 km). Gus' Mercury 4 and Gemini 3 was on 1961-07-21 and 1965-03-23. -- Jeandré, 2006-04-02t12:27z

I'm adding a note that I read in a Smithsonian magazine profile of Grissom, he was the chief innovator (with NASA engineers, presumably) of the 3-axis (4-axis?) joystick which allowed one-handed control of the Gemini thrusters. Another reason the Gemini was nicknamed the Gusmobile. If anyone can find an online link, much appreciated. I have only my memory. - David Spalding 14:28, 30 October 2006 (UTC)[reply]

I've heard (but can't source...) the Apollo spacecraft door was modified to open inward after Mercury IV, & had Mercury IV not blown, the 012 door would have opened outward & none of them would have died... Can anybody confirm & include? ALEX 7000 13:56, 20 December 2006 (UTC)[reply]

The link article you referenced has your answer, I think. "... However, the two-piece hatch was of a design which required that the crew undo several bolts in order to remove the inner section, and was impossible to open quickly. Furthermore, the inner portion of the hatch opened inwards, an intentional design feature intended to exploit the cabin's air pressure in order to further tighten the hatch seal during spaceflight. The hot gases produced by the fire held the hatch shut, and within a few seconds the air pressure had risen enough to prevent the crew from escaping (and, in fact, the air pressure rose so high as to rupture the capsule)." David Spalding (☎ ✉ ✍) 16:46, 5 January 2007 (UTC)[reply]