A B-52 Stratofortress sits on the runway Dec. 28, 2015, at Andersen Air Force Base, Guam. Two B-52 aircrews assigned to the 23rd Expeditionary Bomb Squadron, currently assigned here as part of the U.S. Pacific Command's continuous bomber presence, conducted a bomber Airmen heritage flyover of the Mauna Loa volcano, Hawaii. (U.S. Air Force photo/Senior Airman Joshua Smoot)