decommission
🇺🇸
/ˌdiːkəˈmɪʃn/
🇬🇧
/ˌdiːkəˈmɪʃn/
To take something out of service, especially weapons or military equipment.
The military decided to decommission the old tanks.
To stop using a nuclear power station and dismantle it safely.
The government plans to decommission the nuclear power station in five years.