Lt. Col. Bret Murrell assumes command of the 859th Special operations Squadron from Lt. Col. Brendon Bartholomew at Duke Field, Florida on January 9, 2020. The 859th SOS preforms a non-standard aviation mission set which has been led by Bartholomew since its' infancy. (U.S. Air Force photo by Senior Airman Daniella Peña-Pavao)