Discovery Crew: Commander Alan Poindexter, Pilot James P. Dutton Jr. and Mission Specialists Dorothy Metcalf-Lindenburger, Rick Mastracchio, Naoko Yamazaki, Clayton Anderson and Stephanie Wilson Launch:6:21 a.m. EDT - April 5, 2010 Landing:9:08 a.m. EDT - April 20, 2010 Launch Window:10 minutes Launch Pad:39A Mission Duration:15 days, 2 hours, 47 minutes, 10 seconds Landing Site:KSC Inclination/Altitude:51.6 degrees/122 nautical miles Primary Payload:33rd station flight (19A), Multi-Purpose Logistics Module.