Planes perform aerobatic show during air show at Andrews Air Base (2)

An F-22 Raptor (up) and a P-51 Mustang perform during an air show at Andrews Air Base outside Washington D.C. in Maryland, the United States, Sept. 19, 2015. Crowds gather at Andrews Air Base for the first air show since 2013. The annual air show was on hiatus after 2012 due to budge cuts. (Xinhua/Yin Bogu)