The Defense Department, flush with cash from Congress, is moving ahead with a decade-long effort to modernize the Ronald Reagan Missile Defense Test Site in the Marshall Islands, a key hub for U.S. missile defense testing. Following a budget reconciliation bill that added $150 billion to the Pentagon’s coffers , House and Senate Armed Services Committee chairs proposed directing $108 million of that funding to RTS. The department has classified its reconciliation spending plan , leaving some uncertainty about whether...