Discovery Crew: Commander Steve Lindsey, Pilot Eric Boe and Mission Specialists Alvin Drew, Steve Bowen, Michael Barratt and Nicole Stott Launch:4:53:24 p.m. EST - Feb. 24, 2011 Landing:11:57:17 a.m. EST - March 9, 2011 Launch Window:10 minutes Launch Pad:39A Mission Duration:12 days, 19 hours, 4 minutes and 50 seconds Landing Site:KSC Inclination/Altitude:51.6 degrees/122 nautical miles Primary Payload:35th station flight (ULF5), EXPRESS Logistics Carrier 4 (ELC4), Permanent Multi-Purpose Module (PMM)