The U.S. Navy and Palantir Technologies on Tuesday announced "ShipOS," software they said will initially help build and maintain American submarines but could soon be used for aircraft carriers and jets.Why it matters: The Trump administration, which Palantir CEO Alex Karp vocally supports, has zeroed in on shipbuilding as a must-fix. U.S. shipyards produce just a fraction of China's output.Driving the news: Navy Secretary John Phelan and Karp briefed a small group of reporters in Washington on ...