decommission

To take out of service or to render unusable.

They decommissioned the ship after the accident.

The Army decommissioned the Sherman tank by filling the turret with cement.

To remove or revoke the commission of.

After his arrest, the officer was decommissioned from the police force.

New Other than Regular Army (OTRA) officers who fail their Officer Basic Course at a training installation for academic reasons, because of misconduct, or for demonstrated leadership deficiencies face the prospect of involuntary release from active duty. In many cases, these officers will be decommissioned, resulting in the termination of the officer's military status and the revocation of his or her commission. The process of decommissioning an officer is normally triggered by a Review of Student Status initiated by the school the new officer is attending.

To remove or revoke the formal designation of.

The state highway was decommissioned and reverted to local control.

R-23 (Submarine No. 100) was laid down 25 April 1917 by the Lake Torpedo Boat Co., Bridgeport, Conn.; launched 5 November 1918; sponsored by Miss Ruth Jane Harris; and commissioned 23 October 1919, Lt. David R. Lee in command. […] R-23 was decommissioned 24 April 1925 and was berthed at League Island until struck from the Navy list 9 May 1930 and sold for scrap in July of the same year.