The Army does not plan to upgrade all of its M1A2 Abrams tanks to the SEPv3 standard before it begins production of the SEPv4, Brig. Gen. Glenn Dean, the program executive officer for ground combat systems, said in a Dec. 9 interview. But all the service’s older M1A1 Situational Awareness models will be upgraded to the SEPv3 standard before SEPv4 production begins, he said. “First thing we’re trying to do is wash out our older M1A1 Situational Awareness versions of...