Task: Translation
Input (Japanese): 彼は朝鮮戦争で戦闘中にそのアイデアを思いついており、自分の車を金属の鎖で止めて誰もそれを盗めないようにした。
Output (English): He came up with the idea while fighting in the Korean War; he secured his vehicle with metal chains to stop anybody taking it.