Senior Airman Joeyfel Abayon, a 36th Expeditionary Aircraft Maintenance Squadron crew chief, performs a pre-flight inspection on a B-52 Stratofortress March 21, 2016, at Andersen Air Force Base, Guam. The U.S. Pacific Command has maintained a rotational strategic bomber presence in the Indo-Asia-Pacific Region for more than a decade. (U.S. Air Force photo/Senior Airman Joshua Smoot)