The delivery date of the John F. Kennedy (CVN-79) aircraft carrier to the Navy has been pushed back, an official told lawmakers Tuesday. Despite being 95% complete, delivery has been “pressurized by remaining critical path work,” Rear Adm. Casey Moton, program executive officer for aircraft carriers, told members of the Senate Armed Services seapower subcommittee. This consists of challenges with the advanced weapons elevators and the advanced arresting gear, he added. “I will be quick to point out that the...