Staff Sgt. Steven Ramos, a 921st Contingency Response Squadron airfield management student, and Staff Sgt. William Harden, a 921st CRS ramp coordination instructor, prepare a Humvee to be lifted by a CH-47 Chinook during exercise Northern Strike at Alpena Combat Readiness Training Center, Mich., Aug. 9, 2016. With more than 5,000 participants from Michigan, Illinois, Latvia, Canada and Poland, among others, Northern Strike combined air and ground capabilities into a single exercise. (U.S. Air Force photo/Senior Airman Amber Carter)