121014-N-DR144-522 SAN DIEGO (October 14, 2012)- A United States Air Force F-22 Raptor joins a World War II vintage P-51 Mustang in a heritage flight during the Marine Corps Air Station Miramar 2012 Air Show. The air show, held October 12-14, was themed "Marines In Flight: Celebrating 50 Years of Space Exploration." (U.S. Navy photo by Mass Communication Specialist 1st Class James R. Evans / RELEASED)