KC-46A aircraft assigned to the 157th Air Refueling Wing perform an elephant walk formation on the runway at Pease Air National Guard Base, Sept. 8, 2021. (U.S. Air National Guard Photo by Senior Master Sgt. Timm Huffman) Air Force shifts sixth-gen tanker strategy to prioritize mission systems over new aircraft The Air Force wants to redirect NGAS funds into a new Advanced Tanker Systems effort in fiscal 2027. 3 hours ago By Mikayla Easley