Stock Photo - 02/11/2000 __ NASA Administrator Dan Goldin right joins other spectators at the Banana Creek viewing site in cheering the successful launch of Space Shuttle Endeavour on mission STS_99. The perfect liftoff occurred at 12:43:40 p.m. EST. Known as the Shuttle Radar Topography Mission SRTM, STS_99 will chart a new course to produce unrivaled 3_D images of the Earth´s surface. The result of the SRTM could be close to 1 trillion measurements of the Earth´s topography. The mission is expected to last 11days, with Endeavour landing at KSC Tuesday, Feb. 22, at 4:36 p.m. EST. This is the 97th Shuttle flight and 14th for Shuttle Endeavour