Decommission (verb)

1. To officially retire or withdraw something from use or service.
2. To dismantle or make safe something, especially a nuclear facility.

Origin:

From de- + commission, from the latin word commissionem, the noun of committere to commit.

Examples:

1. The government decided to decommission the old power plant.
2. The ship was decommissioned after 30 years of service.
3. The army decommissioned the outdated weapon system.
4. The nuclear power plant is in the process of being decommissioned.
5. After the war, the weapons were decommissioned and destroyed.