See inside the E-4B 'Nightwatch,' nicknamed the 'doomsday plane' for its ability to help US presidents survive nuclear war
In the event of nuclear war, the E-4B "Nightwatch" plane would serve as the US military's command and control center.
AP PHOTOS: 1,000 days of war in Ukraine captured in images
A thousand days of war in Ukraine have been captured in stunning images, many of them horrifying, some of them poignant, ...