Defense Meteorological Satellite Program Flight 19 Launch
The U.S. Air Force successfully launched the 19th Defense Meteorological Satellite Program (DMSP) spacecraft at 7:46 a.m. PDT, April 3, from Vandenberg Air Force Base, Calif. DMSP is the primary provider of terrestrial and space weather information for the U.S. military. (Photo courtesy of United Space Alliance, Bill Hartenstein)