4th SOS celebrates 21st Birthday
Lt. Col. Derrick Barton, the commander of the 4th Special Operations Squadron, cuts the squadron's birthday cake during a celebration at Hurlburt Field, Fla., May 4, 2016. The 4th SOS officially turned 21 on May 4th, although the squadron's history dates back to World War II and the 4th Air Corps Ferrying Squadron. (U.S. Air Force photo by Airman 1st Class Kai White)