Decommissioning

Decommissioning is a general term for a formal process to remove something from an active status, and may refer to:

Infrastructure

 * Decommissioned offshore of oilfield facilities after production has stopped, reached uneconomical levels or infrastructure is no longer maintainable or safe
 * Decommissioned highway of portions no longer part of the road network due to disuse or degradation
 * Greenfield status of former industrial sites such as brownfield no longer in use or mining sites after closure
 * Nuclear decommissioning after a reactor has been retired due to an accident or become inefficient and no longer meets power output demand (fuel rods eventually do get spent)

Military

 * Decommissioning in Northern Ireland of paramilitary weapons
 * Decommissioning pennant, where a navy ship wears an extremely long commissioning pennant at the end of its commission overseas
 * Demobilization of soldiers
 * Disarmament
 * Ship-Submarine Recycling Program for U.S. nuclear vessels

Other

 * Ship decommissioning