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Dunno
Obama as scared limp that a Shuttle accident will happen during his term -
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I am totally uninformed on all of this, have not followed it but found this;
Mission: STS-133
Space Shuttle: Discovery
Primary Payload: Permanent Multipurpose Module (PMM)
Launch Date: Feb. 24
Launch Time: 4:53:24 p.m. EST
Launch Pad: 39A
Landing: March 9, 2011
Landing Time: 11:57 a.m. EST
Landing Site: Kennedy Space Center, Fla.
Mission Duration: 13 days
Inclination/Altitude: 51.6 degrees/122 nautical miles