Mobility Guardian A Marine Corps F/A-18 Hornet receives fuel from a Canadian Air Force CC-150 Polaris during Mobility Guardian 23, a large-scale exercise, over the Pacific Ocean, July 10, 2023. SHARE: Download: Full Size (1.07 MB) Tags: canada, exercises, marine corps, Mobility Guardian Credit: Air Force Tech. Sgt. Joseph Pick VIRIN: 230710-F-UQ958-1159M.JPG Photo Gallery