RT @csf_spaceflight: L-R: Onizuka. Smith. McAuliffe. Scobee. Jarvis. McNair. Resnik. #STS51L Remembering #Challenger. Per aspera ad astra. …
RT @csf_spaceflight: L-R: Onizuka. Smith. McAuliffe. Scobee. Jarvis. McNair. Resnik. #STS51L Remembering #Challenger. Per aspera ad astra. …