The United States' National Radar Cross-section Facility (commonly abbreviated as RATSCAT) is located at

Holloman AFB Holloman Air Force Base is a United States Air Force base established in 1942 located six miles (10 km) southwest of the central business district of Alamogordo, and a census-designated place in Otero County, New Mexico, United States. Th ...

, New Mexico. The

Lockheed Have Blue Lockheed ''Have Blue'' was the code name for Lockheed's proof of concept demonstrator for a stealth bomber. ''Have Blue'' was designed by Lockheed's Skunk Works division, and tested at Groom Lake, Nevada. The ''Have Blue'' was the first fixe ...

and Lockheed F-117 Nighthawk have been tested at this site.

References

Eglin AFB Public Affairs: "46th Test Wing Fact Sheet"
United States Air Force {{USAF-stub