An artist's impression of the McDonnell Douglas/General Dynamics A-12 <i>Avenger II</i> aircraft. It was planned for the U.S. Navy but canceled in 1991 due to high cost.
USN
U.S. Navy Naval Aviation News November-December 1990 <a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/nan/backissues/1990s/1990/nd90.pdf">[1]</a>