The long-delayed Air Force One is one of the most expensive, complex planes in the world. Here's what makes the presidential plane unique.

President Donald Trump swapped his private jet for VIP government aircraft, including Air Force One. Government and military ... two new 747s to replace the now 35-year-old fleet.

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Andrews Air Force ... of the plane known as SAM 26000 while in the hangar, but as Air Force One with President Lyndon Johnson aboard. The special military version Boeing 707 is now on display ...