A press conference features Mike Griffin Associate Administrator for Space Operations Bill Gerstenmaier and Shuttle Launch Director Mike Leinbach.

A press conference after the landing of the orbiter Discovery and mission STS-121 crew features NASA Administrator Mike Griffin, Associate Administrator for Space Operations Bill Gerstenmaier and Shuttle Launch Director Mike Leinbach. Discovery traveled 5.3 million miles, landing on orbit 202. Mission elapsed time was 12 days, 18 hours, 37 minutes and 54 seconds. The landing is the 62nd at Kennedy Space Center and the 32nd for Discovery. Photo credit: NASA/George Shelton