Senior Master Sgt. Paul Veresko from the 439th Airlift Control Flight Westover Air Reserve Base, Mass. and Staff Sgt. Johnathan Concepcion of the 512th ALCF Dover Air Force Base, Del. recieve guidance from a captain in the Canadian Air Force prior to conducting an airfield survery. Members from the 512th and 439th ALCFs were at Cold Lake AB supporting Maple Flag Exercise 42. (U.S. Air Force photo/2nd Lt Joe Simms)