Tech. Sgt. Lance Oakes, 321st Contingency Response Squadron alpha mike security forces, drives an MRZR as part of a preliminary perimeter check of the airfield prior to the arrival of units as part of Exercise Swamp Devil July 26, 2020, at Chennault International Airport in Louisiana. An alpha mike assessment team has the tools and capability to survey any given location and create a comprehensive report on the suitability of that location as an airfield. (U.S. Air Force photo by Staff Sgt. Sarah Brice)