UPDATE 1-NASA chooses technology firm Maxar for lunar platform project

NASA has picked space technology company Maxar Technologies Inc as the first contractor to help build its Gateway platform in lunar orbit, a crucial outpost for America's mission to relay astronauts to the moon in 2024, the U.S. agency said on Thursday.Shares of Westminster, Colorado-based Maxar jumped more than 20% following the announcement by NASA Administrator Jim Bridenstine at a meeting sponsored by a Florida college.The firm-fixed price award carries a maximum total value of $375 million,