Boeing NB-52A Stratofortress (oldest B-52 existing)

Designed as a long-range heavy bomber to carry nuclear weapons deep into Soviet territory has proven to be a highly adaptable and versatile aircraft. Serving as a strategic nuclear bomber, conventional heavy bomber and as a test aircraft the B-52 has flown in the U.S. Air Force for fifty years and late models of the Stratofortress are expected to serve well into the Twenty-First Century. Only three of the "A" model Stratofrtresses were built and all served solely as test aircraft for both Boeing and the Air Force. The oldest B-52 in existence this is the third "A" model built.