Featuring six General Electric engines and an advanced delta-wing design ... The thinking behind the design was that at such speeds and altitudes, the XB-70 would be impervious to enemy aircraft, ...
What You Need to Know: The A-12 Avenger II, a stealth attack aircraft developed by General Dynamics and McDonnell Douglas, was intended to replace the A-6 Intruder in the U.S. Navy's fleet. Featuring ...