the shutter of the voroshilov battery gun barrel on russian island, far east

locomotive transport industry aviation vehicle machine factory engine bumper wheel iron tire car bolshaya korabelnaya battleship poltava coastal border tower battery artillery defense military fortification museum pacific fleet memorial complex cannon trunk protection vladivostok historical voroshilovskaya island russian bolshoy primorye east russia long-range guns primorsky krai armament 981 armed forces army steel plant soviet obukhov 1914