Senior Airman Garrett Tholken, 349th Air Refueling Squadron boom operator, refuels an F-16C Fighting Falcon while wearing Aircrew Chemical Biological Radiological Nuclear equipment April 8, 2019, over Kansas. With a full load of internal fuel, the F-16 can withstand up to nine g’s, which exceeds the capability of other current fighter aircraft. (U.S. Air Force photo by Airman 1st Class Skyler Combs)