Overview
Military surplus is goods, usually materiel, sold or otherwise disposed of when held in excess or no longer needed by the military, and entrepreneurs often purchase these goods to resell them through dedicated surplus stores. The goods sold as military surplus are usually clothing, equipment, and tools generally useful to the civilian population, along with embroidered patches, name tags, and other items sometimes used to assemble a faux military uniform. Occasionally, vehicles such as jeeps and trucks are sold as surplus as well, and some military surplus dealers also sell surplus firearms and spare parts, subject to applicable civilian firearms regulations. Demilitarized aircraft specifically refers to military aircraft that have had their weapons systems and classified equipment removed before being released for civilian sale, museum display, or scrap, letting decommissioned military airframes find a second life outside of active service.
History
Military surplus disposal has occurred at scale following every major military drawdown, with the enormous surplus of World War II-era aircraft and equipment in the late 1940s representing one of the largest such disposal efforts in history. Many surplus military aircraft found civilian buyers in the post-war decades, converted for use in agricultural aviation, firefighting, and other civilian roles where their rugged, low-cost availability made them attractive alternatives to purpose-built civilian aircraft. Demilitarization procedures, ensuring weapons systems and classified equipment are properly removed before release, became increasingly formalized through the Cold War era as governments grew more concerned about sensitive military technology reaching unauthorized hands. Military surplus aircraft continue finding second lives today, whether preserved in museums, converted to civilian roles, or in some cases restored to flying condition by private collectors and historic aircraft enthusiasts.
Design & Specifications
Demilitarization involves removing weapons systems and classified equipment before an aircraft is released for civilian sale or display.
Operations
Surplus aircraft are processed through formal demilitarization before civilian buyers, museums, or scrap dealers can take possession.
See also
References

| Category | Military Aviation & Defense Systems |
| Type | Ex-military aircraft, weapons removed |
| Peak Disposal Era | Post-WWII, late 1940s |
| Civilian Uses | Agriculture, firefighting, museums |
| Process | Formal demilitarization required |