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F-22 Raptor Chronology - 1991

February 24, 1995
The formal portion of the F-22 air vehicle Critical Design Review (CDR) is completed. A very small number of items remain open after this review, and these items are closed as scheduled by June. This thorough review of the F-22 air vehicle marks completion of the detailed design phase of the program and insures that the F-22 is ready to proceed into fabrication and assembly.

March 15, 1995
Lockheed Corporation and Martin Marietta complete a "merger of equals". New entity is named Lockheed Martin Corporation.

April 20, 1995
Air Force awards the Lockheed-Boeing team a $9.5 million, 24-month study contract to explore derivatives of the F-22 aircraft. P&W is awarded a separate $500,000 contract to explore improved F119 performance. The Air Force later curtails this study.

June 27, 1995
Assembly of the first flyable F-22 begins in Fort Worth.

Summer
Wind tunnel testing of the F-22's configuration is completed. Twenty-three models were tested in 14 facilities in the U.S. and one in Germany during the 16,930 hour wind tunnel program that began in 1991.

July 1995
Pratt & Whitney's redesigned F119 turbine demonstrates improved fuel efficiency and elimination of turbine blade vibratory stress.

October 4, 1995
Assembly of the first flyable F-22 begins at Boeing as workers load parts for the aft fuselage into an assembly fixture.

November 2, 1995
Assembly of the first flyable F-22 begins in Marietta as workers load parts for the nose landing ear wheel well into an assembly fixture.



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