Creeping weight of Abrams tank concerns Pentagon’s chief weapons tester January 26 A GREYWOLF Trooper, 3rd Armored Brigade Combat Team, 1st Cavalry Division, prepares his M1A2 SEPV3 for a gunnery live fire exercise, Fort Hood, Texas, Aug. 30, 2020. The addition of the new M1A2 SEPV3 Abrams Main Battle Tank is a part of the Army's ongoing modernization efforts. The training these First Team Troopers receive now prepares them for future large scale ground combat operations. (Sgt. Calab Franklin/U.S. Army) WASHINGTON — The Abrams M1A2 SEPv3 tank is heavier than previous iterations and that extra weight concerns the Pentagon’s chief weapons tester, but the Army’s program office told Defense News the newer version of the tank works like vehicles in the current fleet.