Northrop Grumman held a successful ground demonstration of a laser communication system for Tranche 1 satellites, according to a company press release . The test was performed in March, Northrop Grumman spokesman Paul Swiergosz told Inside Defense , who added the demonstration replicated how terminals will communicate in space. Northrop Grumman was selected by the Space Development Agency in February to develop satellites for Tranche 1 of the agency’s Transport Layer project, which aims to create a mesh constellation of...