A U.S. Marine Corps AV-8B Harrier from VMA-214, Yuma, Ariz. hovers over the U.S. Air Force Thunderbirds aerial demonstration team from Nellis Air Force Base, Nev., during Air Fest 2012 at March Air Reserve Base, Calif., May 19, 2012. The air fest features military and civilian aerial and ground demonstrations during a two-day air show.