027 PA ST ACHIE VEMENT
2015
2012
2009
2006
New Horizons [a robotic spacecraft mission currently in route to thr dwarf planet Pluto]
Space Shuttle Columbia [broke up in the atmosphere and all the crew members were lost]
Spirit and Opportunity [landed on Mars]
2003
International Space Station [Expedition one launched from Kazakhstan]
Mars Pathfinder Rover [landed on Mars]
Voyager 2 [unmanned interplanetary space probe, flying by of Jupiter, Saturn, Uranus, and Neptune]
Space Shuttle Columbia [first flight]
Space Shuttle Challenger [destroyed and its seven crew members lost]
Magellan Mission [mapping 99 percent of the surface of Venus]
Hubble Space Telescope [launched]
2000
1997
1994
1991
1988
1985
1982
1979
1976