Air Force Special Tactics is a special operations ground force comprised of highly trained Airmen who solve air to ground problems across the spectrum of conflict and crisis. It's the U.S. Special Operations Command’s tactical air/ground integration force and the Air Force’s special operations ground force; enabling global access, precision strike, personnel recovery, and battlefield surgery operations. Special Tactics is comprised of Pararescuemen (PJs), Combat Controllers (CCTs), Special Reconnaissance airmen (SR), Tactical Air Control Specialists (TACPs), and Special Operations Surgical Teams (SOST),
(From: https://www.airforcespecialtactics.af.mil/About/)
Air Force Special Operations Command, Oct 2013.