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The Northrop/McDonnell Douglas YF-23 is an ... After a four-year development and evaluation process, the YF-22 team was ... the YF-23 design would largely be ...
Northrop team's YF-23 (above) and Lockheed team's YF-22 (below) flying in formation. The first YF-23 made its maiden flight on 27 August 1990 and the first YF-22 first flew on 29 September 1990. [53] Flight testing began afterwards at Edwards Air Force Base and added the second aircraft for each competitor in late October 1990. [54]
The YF-22 team won the contest against the YF-23 team for full-scale development and the design was developed into the Lockheed Martin F-22. [ N 1 ] The YF-22 has a similar aerodynamic layout and configuration as the F-22, but with notable differences in the overall shaping such as the position and design of the cockpit, tail fins and wings ...
However, the cited books in this article are written by people with direct connections to the YF-23, namely Alfred "Paul" Metz, YF-23 PAV-1 test pilot, and Air Force Materiel Command researchers and archiver, Tony Landis and reputed aviation author Dennis Jenkins. If that is the case, I can upload a non-free thumbnail version under fair use.
Northrop's and Lockheed's designs were generally similar, though the former's submission featured more angular and flat surfaces. The company used "GENSCAT", software similar to ECHO 1, to calculate the RCS of its designs. [16] [17] On 1 November 1975, Lockheed and Northrop were each awarded $1.5-million contracts to proceed with Phase 1 of XST ...
Defense contractor Northrop Grumman told its employees that about 1,000 jobs could be cut in Southern California after lost a big satellite contract.
The YF-22 and YF-23 in formation during flight testing in the early 1990s The squadron was first activated as the 6511th Test Squadron in March 1989 to conduct the Advanced Tactical Fighter program. It began flying the Northrop YF-23 on 27 August and the Lockheed YF-22 on 29 September 1990, flying both through December 1990, though the ...
In 2009, Iraqi Prime Minister Nouri al-Maliki stood before lawmakers and experts at the U.S. Institute of Peace in Washington, D.C., and proclaimed, “Today, Iraq has become a peaceful, democratic country that relies on its democratic institutions.”