OTD…April 6 and STS-41C

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

#OTD in 1991, 1992 and 1993…flights by Discovery and Endeavour

Scott Carpenter launched atop an Atlas rocket to become the second American to orbit the Earth today in 1962, flying for 4 hours and 39 minutes aboard Aurora 7 while making three revolutions of the globe.