Type 90 240mm Railway Gun was initially deployed as a coastal artillery battery at Futtsu, Chiba, as part of the defenses guarding the entrance to Tokyo Bay.<unk> Type 90 240mm Railway Gun was initially deployed as a coastal artillery battery at Futtsu, Chiba, as part of the defenses guarding the entrance to Tokyo Bay. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ When the Soviet Union invaded Manchukuo<unk>
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