Maj. Christopher Larkin (right) accepts the Special Tactics Training Squadron guideon from Col. March Stratton, 720th Special Tactics Group commander, during the STTS assumption of command and squadron activation ceremony June 6 at Hurlburt Field, Fla. Major Larkin is the first commander of the new unit, which was formerly the 720th Operations Support Squadron Advanced Skills Training Flight. (U.S. Air Force photo/Airman 1st Class Emily Moore)