OTD…April 12 and STS-1 and 51D

Sixty years ago Monday, a 27-year-old Russian test pilot named Yuri Gagarin strapped into a Vostok capsule in Central Asia and rode into orbit atop a launcher derived from a Soviet nuclear missile, becoming the first human to travel into the void of space. Twenty years later, in 1981, the era of reusable spacecraft dawned with the first launch of NASA’s space shuttle.

#OTD…Launch of a 1994 Space Radar Lab mission on Endeavour

#OTD in 2008, the launch of Endeavour on STS-123.