Descrizione : On July 21, 1961, Grissom was pilot of the second Project Mercury flight, Mercury-Redstone 4, popularly known as Liberty Bell 7. This was a sub-orbital flight that lasted 15 minutes and 37 seconds. After splashdown, emergency explosive bolts unexpectedly fired and blew the hatch off, causing water to flood into the spacecraft. Quickly exiting through the open hatch and into the ocean, Grissom was nearly drowned as water began filling his spacesuit. A recovery helicopter tried to lift and recover the spacecraft, but the flooding spacecraft became too heavy, and it was ultimately cut loose before sinking.

USA 61 B - picture enhanced ?

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MERCURY 4 (MR 4) · REDSTONE · VIRGIL GRISSOM (LIBERTY BELL 7) · SUBORBITAL FLIGHT