Senior Airman Zachery Hatfield, 821st Contingency Response Squadron crew chief, provides airfield security for an Iraqi air force C-130 at Qayyarah West Airfield, Iraq, in support of Combined Joint Task Force - Operation Inherent Resolve, Nov. 13, 2016. The 821st CRG is highly-specialized in training and rapidly deploying personnel to quickly open airfields and establish, expand, sustain and coordinate air operations in austere, bare-base conditions. (U.S. Air Force photo by Senior Airman Jordan Castelan)