U.S. Air Force Airmen involved in Operation Senior Surprise (aka Secret Squirrel) discuss the factors in planning for the mission during the Secret Squirrel Symposium on Louisiana State University, Shreveport, La. on Jan. 16, 2016. The 35-hour mission required over 57 tankers for re-fueling the seven B-52G Stratofortress bombers over its duration. (U.S. Air Force photo by Master Sgt. Dachelle Melville/Released)