Commonly over 5 years.
MDA Space Missions was created in 1999.
the Johnson Space Center was created a long time ago. It runs all space missions for the united States
There have been no human space missions to Mars. The only missions to Mars to date have been through flybys with space craft, orbiters, and land rovers.
Space Shuttle Columbia flew 28 missions.
To date there have been 282 manned missions sent into space and more than 1000 unmanned missions.
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He was on four missions.
several space
In a space shuttle in space in 1969 in July
Depends on the Mission, ussualy the space shuttle is up for about 3 days to a week at a timeSpace shuttle missions ranged from 3 to 17 days 15 hours.
they both can be used in space to do missions
the missions vary from taking satellites into space or parts for the ISS (international space station) or repair jobs on existing satellites