The Navy can withhold payments and refuse the delivery of additional ships to keep industry accountable for shipyard delays and cost overruns, the Navy's top uniformed officer said today. Chief of Naval Operations Adm. Michael Gilday said during a Senate Appropriations defense subcommittee hearing that the service is “very dissatisfied” with private shipyards. Industry is running behind schedule and over cost, specifically with Navy submarine maintenance, according to subcommittee Chairman Jon Tester (D-MT). “I’ll give you a couple of data...