" challenger 2 ", " sherman ", 125 mm, 1940 ., 2a46m, 9k120 svir, a.zhirnov, abrams, armored vehicles, arr., art, battle, bob, challenger 2, contact, doctrine, don greer, dust, dynamic, gauge, german, gun, installation, integrated circuits, is-3, jameson, jump, launcher, lightweight, m4a2, m4a3 sherman, main, mbt, medium, medium tank, military equipment, obstacles, overcome, panther, panther ausf. d., period, picture, polygon, protection, pz.kpfw.38. t , pzkpfw v, rams, ruins, russia, russia ., sd.kfz. 171, second, shot, soviet, soviet union, t- 34-76, t- 72a, t-72, t-90, t80u, tank, tanks, the army, the field, the germans, thirty-four, upgraded, usa, used, variant, victory parade, vincent wai., war, weapons, world, ww2, ww2.