The Air Force announced today that it has closed the existing source-selection for the next-generation communications satellite constellation and will release a new draft request for proposals this week. The new RFP will be for the first increment of a restructured Transformational Satellite Communications System program "that ensures a clear and affordable path to meeting joint users' needs for satellite communication services," according to a Dec. 23 service statement. The initial increment of TSAT will consist of five Block-10 satellites...