پرونده:Post Office Ross California.jpgfollowing license: English United States Postal Service, 1 Ross Common, Ross, California Wikimedia username: LPS.1 URL: https://commons.wikimedia.org/wiki/User:LPS
پرونده:X-31 Engine Fit Check.jpgdemonstrator aircraft in a hangar at the Dryden Flight Research Center, Edwards, California. Project Description: The X-31 Enhanced Fighter Maneuverability (EFM)