Remind me what Area 51 does?
No-one really knows. The CIA only officially acknowledged its existence in 2013. But it's a reasonable guess that it is used for the development and testing of state-of-the-art experimental military aircraft. The Tonopah Test Range, meanwhile, has also been used for test flights - American pilots trained against Russian MiG aircraft here in the Seventies and Eighties (1979-1988), in an operation that was codenamed Constant Peg.
For more info follow the link below:
https://www.msn.com/en-gb/news/world/the-top-secret-us-airline-that-youre-not-supposed-to-know-about/ar-BBHRZTI?li=AAmiR2Z&ocid=spartanntp