" challenger 2 ", 1930 -ies, 7tp, 92 - mm machine guns, a driver, abrams, armored vehicles, art, battle, c2 mbt, canada, challenger 2, ckm wz.30, dirt, doctrine, drawing, german, germany, grass, leopard, leopard 1, m-1a1 abrams, medium, medium tank, merkava, military equipment, modelka, modernization, norway, panzer 4, panzer iv, picture, poland, pzkpfw iv, t-72, tank, the field, the germans, tiger, toys, trunk, two, two-towered, usa, version, war, weapon, wehrmacht