Area 51 Palmdale facility. A search for a suitable testing site for the U-2 was conducted under the same extreme security as the rest of the project. He notified Lockheed, who sent an inspection team out to Groom Lake. According to Lockheed's U-2 designer Kelly Johnson: The lakebed made an ideal strip from which they could test aircraft, and the Emigrant Valley's mountain ranges and the NTS perimeter, about north of Las Vegas, protected the test site from visitors. The CIA asked the AEC to acquire the land, designated "Area 51" on the map, and add it to the Nevada Test Site.
Area 51 of acceptance flights at Area 51 of this last new F-117A aircraft, the flight test squadron continued flight test duties of refurbished aircraft after modifications by Lockheed. In February/March 1992 the test unit moved from Area 51 to the USAF Palmdale Plant 42 and was integrated with the Air Force Systems Command 6510th Test Squadron. Some testing, especially RCS verification and other classified activity was still conducted at Area 51 throughout the operational lifetime of the F-117. The recently inactivated (2008) 410th Flight Test Squadron traces its roots, if not its formal lineage to the 4450th TG R-unit. Since the