de·com·mis·sion 
/ˌdi:kəˈmɪʃən/ verb
de·com·mis·sions; de·com·mis·sioned; de·com·mis·sion·ing /ˌdi:kəˈmɪʃən/ verb [+ obj] : to officially stop using (a ship, weapon, dam, etc.) : to remove (something) from service
▪ Several military bases are scheduled to be decommissioned. ▪ The government is decommissioning the nuclear power plant.
▪ Several military bases are scheduled to be decommissioned. ▪ The government is decommissioning the nuclear power plant.
