OTD…Jan. 13 and STS-54

#OTD in 1995, Endeavour launched on the ASTRO-2 astronomy mission:

Today in 2011, shuttle Discovery made a graceful landing at Kennedy Space Center, returning from her final voyage after a remarkable three-decade life of service.

#OTD in 1991…Atlantis launched another of NASA’s Tracking and Data Relay Satellites