Su-47 < Fighter Planes in the Yahoo! Directory

Federation of American Scientists: S-37 Berkut
Offers background information and specifications.
www.fas.org/man/dod-101/sys/ac/row/s-37.htm
Fighter-Planes.com: Su-47
Offers information including name designation, design, avionics, and armament.
www.fighter-planes.com/info/s37.htm
Global Security.org: Su-47 Berkut
Offers a brief summary and specifications.
www.globalsecurity.org/military/world/russia/su-47.htm
Air Force Technology: Su-47 (S-37) Berkut
Previously called the S-37 Berkut or Golden Eagle. Offers information and photos of this experimental forward swept wing fighter.
www.airforce-technology.com/projects/s37

Fighter Planes > Su-47