U.S. Air Force Senior Airman Martin Mazick, 55th Combat Communications Squadron client systems technician, hammers a stake into the ground to secure a tent’s rain flap in preparation for Mission Readiness Exercise (MRX) 19-2, Shaw AFB, S.C., Nov. 26, 2018. The forward headquarters, or “tent city,” included eight tents, a communications tent, cyber café and supporting equipment. MRX 19-2 was an initial operational capability certification event designed to demonstrate Ninth Air Force’s ability to effectively plan, prepare, execute and assess Combined Joint Task Force operations at the operational level of war as tasked by the Air Force Chief of Staff. (U.S. Air Force photo by Tech. Sgt. Amanda Dick)