U.S. Air Force Staff Sgt. Garrett Huntoon, 374th Logistic Readiness Squadron fuels service center controller, left, and Airman 1st Class Griffin Nelson, 436th Logistics Readiness Squadron fuels operator, strap down an Aerial Bulk Fuel Delivery System at Alpena Combat Readiness Training Center, Michigan, May 19, 2021. The ABFDS, a portable 3,000-gallon fuel bladder, can be loaded on a C-130J Super Hercules, C-5 Galaxy, or C-17 Globemaster III and transported anywhere around the world. (U.S. Air Force photo by Senior Airman Aaron Irvin)