Next-Gen GEO Missile Warning System Finishes Preliminary Design Review

摘要

The Air Force’s Next Generation Overhead Persistent Infrared (OPIR) Geosynchronous Earth Orbiting (GEO) early missile warning satellite program finished its system/ground and space vehicle preliminary design review (PDR) last month, the service said Friday. The Next Generation OPIR program aims to replace the Air Force’s current set of space-based infrared surveillance satellites. The first block of the new constellation will include with five satellites, three in geosynchronous orbit and two in polar orbit. This PDR applied to the GEO portion and was completed on Sept. 27.