The Next Generation Air Dominance (NGAD) is a United States Air Force (USAF) sixth-generation air superiority initiative with a goal of fielding a "family of systems" that is to succeed the Lockheed Martin F-22 Raptor. A crewed fighter aircraft is the centerpiece program of NGAD and has been referred to as the Penetrating Counter-Air (PCA) platform and is to be supported by uncrewed collaborative combat aircraft (CCA), or loyal wingman platforms, through manned-unmanned teaming (MUM-T).