A-12 Avenger II * * SALE ITEMS * * were flown at the NASA

were flown at the NASA Dryden Flight Research Center

a feat still unmatched by other midsized jets

the "fastest human alive" but it was quite apparent that there were still many mysteries to be solved concerning supersonic flight

1954 Boeing's gamble paid off

The Learjet 35 was a stretched Model 25 with an eight-seat cabin

A-12 Avenger II * * SALE ITEMS * * were flown at the NASAA 12 Avenger airplane model. The A 12 Avenger II was an American aircraft program from McDonnell Douglas and General Dynamics intended to be an all weather, stealth attack replacement for the A 6 Intruder in the United States Navy and Marines. The aircraft suffered numerous problems throughout its development, especially with the materials, and when the projected cost of each aircraft ballooned to an estimated US$165 million, the project was cancelled