The 551st Special Operations Squadron is a current Special Operations Squadron of the United States Air Force, assigned to the Air Force Special Operations Air Warfare Center until 2017 and then assigned to the 492nd Special Operations Wing. It was based out of Cannon AFB, New Mexico. The 551st had previously been based at Kirtland AFB, New Mexico as an Air Education and Training Command (AETC) unit within the 58th Special Operations Wing from 15 March 1976 until its inactivation on 10 May 2007.

The 492nd Special Operations Wing is a United States Air Forces unit stationed at Hurlburt Field, Florida. It was activated in May 2017 to replace the Air Force Special Operations Air Warfare Center.