U.S. Air Force Chief Master Sgt. Daniel Simpson, the 18th Air Force command chief, views Airman 1st Class Malachi Greman, a 50th Air Refueling Squadron boom operator, refuel a KC-46 Pegasus from McConnell Air Force Base, Kan., aboard a KC-135 Stratotanker, Jan. 30, 2020. The flight displayed refueling of the KC-46 by MacDill’s KC-135, showing the Air Force’s latest refueling capabilities. (U.S. Air Force photo by Airman 1st Class Ryan C. Grossklag)