S61-03248 (21 July 1961) --- Mercury-Redstone 4 (MR-4) launch of Virgil I. Grissom on July 21, 1961, from Cape Canaveral, Florida. Photo credit: NASA
S61-03248 (21 July 1961) --- Mercury-Redstone 4 (MR-4) launch of Virgil I. Grissom on July 21, 1961, from Cape Canaveral, Florida. Photo credit: NASA