PICATINNY ARSENAL, NJ -- An autoloader for the Extended Range Cannon Artillery simulated a three-round burst at a rate of eight rounds per minute during a Feb. 26 demonstration here. Gen. Joseph Martin, the Army's vice chief of staff, had traveled to Picatinny for the day and was in attendance for the demonstration, along with multiple other general officers. The autoloader should be included in the second increment of the ERCA, according to a briefing Martin received from scientists at...