National Security Advisor visits Team Nellis Published Nov. 4, 2020 By Tech. Sgt. Alexandre Montes 57th Wing Public Affairs NELLIS AIR FORCE BASE, NV -- National Security Advisor Robert O'Brien, observes the cockpit of an F-22 Raptor assigned to the 422d Test and Evaluation Squadron at Nellis Air Force Base, Nevada, Oct. 30, 2020. Ambassador O’Brien learned about the role of the F-22s and other fifth generation aircraft and the capabilities that make them essential to defending national security. (U.S. Air Force photo by Tech. Sgt. Alexandre Montes)