190815-F-LX370-0193
Royal Canadian Air Force captains Russ Baker, left, Andrew Williams, and Adam Rutledge, all assigned to the 437th Transport Squadron based out of Canadian Forces Base Trenton, Canada, conduct a pre-flight briefing aboard their CC-150 Polaris refueling tanker before refueling operations in training airspace over Alaska during the Red Flag-Alaska 19-3 exercise, Aug. 15, 2019. Red Flag-Alaska, a series of Pacific Air Forces commander-directed field training exercises for U.S. forces, provides joint offensive counter-air, interdiction, close air support, and large force employment training in a simulated combat environment.