NASA Shuttle Launch Director Michael Leinbach left STS-124 Assistant Launch Director Ed Mango center at NASA's Kennedy Space Center.

NASA Shuttle Launch Director Michael Leinbach, left, STS-124 Assistant Launch Director Ed Mango, center, and Flow Director for space shuttle Discovery Stephanie Stilson clap in the Launch Control Center after the main engine cut-off and successful launch of Discovery on the STS-124 mission Saturday, May 31, 2008, at NASA's Kennedy Space Center. The shuttle lifted off from Launch Pad 39A at 5:02 p.m. EDT. Photo credit: NASA/Bill Ingalls