Chief Master Sgt. Robert L. Zackery III, 47th Flying Training Wing command chief master sergeant, gives his advice to 18 Tactical Air Control Party (TACP) candidates preparing to graduate at Joint Base San Antonio-Lackland, Texas, Dec. 13, 2019. The Special Warfare Training Wing graduates Combat Control, Special Reconnaissance, Pararescue and TACP Airmen – whose mission is to conduct global combat operations in contested, denied, and austere areas under any environmental conditions.(U.S. Air Force photo by Senior Airman Marco A. Gomez)