Airman 1st Class Alex Koehler, a loadmaster for the Kentucky Air National Guard’s 123rd Airlift Wing, uses the C-130 aircraft’s rear vision device in the airspace above Canadian Forces Base Cold Lake, Alberta, on May 31, 2016. More than 30 Airmen from the Kentucky Air National Guard are currently deployed here to participate in Maple Flag, an aerial combat training exercise involving forces from multiple countries. (U.S. Air National Guard photo by Senior Airman Joshua Horton)