Airmen from the 379th Expeditionary Maintenance Squadron perform pre-flight checks on a B-1B Lancer, Feb. 25, 2015, at Al Udeid Air Base, Qatar, in preparation of support for Operations Inherent Resolve and Freedom’s Sentinel. The B-1 carries the largest payload of both guided and unguided weapons in the Air Force inventory and is a key resource for strike operations throughout the U.S. Air Forces Central Command area of responsibility. (U.S. Air Force photo/Senior Airman Kia Atkins)