Via http://www.fas.org/sgp/news/secrecy/2004/10/101404.html : US SPACE PROGRAMS: CIVILIAN, MILITARY AND COMMERCIAL (CRS) An updated overview of U.S. space-related activities is provided by the CRS in "U.S. Space Programs: Civilian, Military and Commercial," September 28, 2004: http://www.fas.org/spp/civil/crs/IB92011.pdf