This paper describes satellite survivability measures in general. It then provides separate write-ups on each generic type of U.S. military satellite system, including national security. Each write-up states the current situation, with regard to satellites in orbit, and future plans, emphasizing survivability measures.,Arthur F. Manfredit, Jr., Specialist in Aerospace Policy, Science Policy Research Division.,CRS 86-581 SPR,"February 26, 1986.",SuDoc# 14. 18/3