A B-52H Stratofortress returns home to Barksdale Air Force Base, Louisiana, Aug. 12, 2014 following a 15.5-hour sortie from the United States to the U.S. Southern Command area of operations during PANAMAX 2014. An annual U.S. Southern Command-sponsored multinational exercise, PANAMAX focuses on ensuring the defense of the Panama Canal. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)