U.S. Air Force Master Sgt. Daniel Rey, 92nd Logistics Readiness Squadron Fuels Information Service Center section chief, measures the amount of fuel inside a Fuels Operational Readiness Capability Equipment mobile fuel bladder during Air Mobility Command’s premier large-scale mobility exercise, Mobility Guardian 2019 at Fairchild Air Force Base, Washington, Sept. 11, 2019. This was the first time the FORCE system has been used in an uncontested environment. Through robust and relevant training, Mobility Guardian is designed to build full spectrum readiness and develop Mobility Airmen to ensure we deliver rapid global mobility now and in the future (U.S. Air Force photo by Tech. Sgt. Travis Edwards)