B*N*S*N3

03/02/2011 - A U.S. Air Force F-22 Raptor aircraft prepares to refuel during exercise Red Flag 11-3 over the Nevada Test and Training Range in Nev., March 2, 2011. Red Flag is an advanced aerial combat training exercise held four to six times a year to train pilots from the U.S., NATO and other allied countries for real combat situations. (DoD photo by Senior Airman Brett Clashman, U.S. Air Force/Released)