The Space Development Agency on Monday awarded contracts to Lockheed Martin and Denver-based York Space Systems to develop the first 20 satellites of its transport layer, slated to be developed and launched in two years. Lockheed received a $187.5 million award and York Space Systems a $94 million contract, each to build 10 satellites. SDA Director Derek Tournear told reporters Monday the agency aims to show, through this first batch of satellites -- dubbed Tranche 0 -- that it can...