F-22 v. F-35

November 13: F-35 flies supersonically for the first time over North Texas. (AP/ Lockheed Martin Aeronautics Co.)

(Navy Supply Corps)

December 2, 2002: F-22 Raptor jet refuels in flight from KC-135R Stratotanker jet. (AP)

September 3, 2002: F-35 Joint Strike Fighter jet performs flight tests. (AP)

April 2, 2007: Two U.S. Air Force F-22 Raptor aircraft fly in trail behind a KC-135R Stratotanker aircraft after in flight refueling during a training mission off the coast of Florida. Defense Secretary Robert Gates said April 6 that the Pentagon will end the F-22 fighter jet and presidential helicopter programs run by Lockheed Martin Corp. (AP/ U.S. Air Force)

June 19: Visitors view a Lockheed Martin's 5th generation multi role fighter, the F-35 Lightning II, during the 48th Paris Air Show at Le Bourget airport, north of Paris. (AP)

January 15: An F-22 Raptor aircraft deploys flares over Kadena Air Base, Japan. The Raptor and five others were deployed to Kadena for three months in support of U.S. Pacific Command’s security obligations in the Western Pacific. (Reuters/ U.S. Air Force)

F-35 at Edwards Air Force Base (U.S. Air Force)

May 30: F-22 fighter jets fly over Kadena U.S. Air Force Base before landing, at Japan's southwestern island of Okinawa. The first of 12 high-tech U.S. F-22 fighter jets landed on the southern Japanese island of Okinawa days after North Korea unnerved the region by detonating a nuclear device. (Reuters)

June 22: A U.S. Air Force F-22 Raptor creates a visible shock wave as it passes over the aircraft carrier USS John C. Stennis in the Gulf of Alaska. (Department of Defense/ Petty Officer 1st Class Ronald Dejarnett, U.S. Navy)

June 14, 2008: F-22 Raptor fighter plane flies over during a display at the Farnborough aerospace show, in Farnborough, England. (AP)

July 7, 2006: The Lockheed Martin F-35 Lightning II is presented for the first time at the Lockheed Martin plant in Fort Worth, Texas. The Lightning II is a fifth-generation, supersonic stealth fighter designed to replace a wide range of existing aircraft, including the AV-8B Harrier, A-10 Thunderbolt II, F-16 Fighting Falcon, F/A-18 Hornet and Royal Air Force Harrier GR-7 and Sea Harriers. (Lockheed Martin Aeronautics Co.)