-However, the project was a colossal failure, plagued by massive cost overruns, significant weight problems, and unresolved technological hurdles. -In 1991, after $5 billion had been spent on a single ...

Key Points and Summary - The A-12 Avenger II was an ambitious 1980s U.S. Navy program to build a carrier-based stealth "flying wing" bomber to replace the A-6 Intruder. -It would have been the first ...

The Archangel-12, or A-12 for short, is considered to be America's first supersonic spy plane. But the spy plane was retired after one year as its successor was already in development. Its design ...

Summary and Key Points: The A-12 Oxcart, a high-altitude reconnaissance aircraft developed by Lockheed’s Skunk Works for the CIA, preceded the renowned SR-71 Blackbird. Entering service in 1967, the A ...