The U.S. Air Force Thunderbirds aerial demonstration team takes off for their performance Nov. 8, 2014, during an open house event at Nellis Air Force Base, Nev. The two-day open house featured performances from legacy aircraft such as the P-51 Mustang, and modern aircraft such as the F-22 Raptor. (U.S. Air Force photo/Airman 1st Class Christian Clausen)