decommission
/ˌdiːkəˈmɪʃən/verb
with obj.
1- withdraw (someone or something) from service, in particular使退役; 停止使用, 尤指：
1.1
- make (a nuclear reactor or weapon) inoperative and dismantle and decontaminate it to make it safe关闭（核反应堆）; 拆除（核武器）。
1.2
- take (a ship) out of service使（船）退役; 报废（船只）。