The 18th Special Operations Test and Evaluation Squadron is a squadron of the United States Air Force based at Hurlburt Field, Florida, which performs field tests of aircraft for Air Force Special Operations Command. The squadron evaluates aircraft, equipment and tactics in realistic battlespace environments to provide decision makers with accurate, timely and complete assessments of mission capability. From concept development to system fielding, the unit's mission improves the survivability and combat capability of special operations forces worldwide.