the old soviet bm-21 grad multiple launch rocket system on the chassis of a 375d truck. mlrs 9k51 caliber 122 mm close-up, rear

old soviet multiple launch rocket system bm21 375d mlrs 9k51 caliber 122 closeup rear fragment grad machine battle war costs weapon vehicle technique truck technical army military fire exhibition movement transport technology 9k51m tornado green park car modern metal damage destruction aiming equipment artillery support empty tubular guides bm-21 chassis truck close-up fragment mount rails