A hospital official says a gunman has been killed after shots were fired at a hospital in central Pennsylvania.

Air Force One carries the world's most powerful person, so how is the plane defended in the air?Does it rely on an escort of ...

One airman was killed and another wounded after security forces responded to an incident overnight near an entrance to the ...

A leaked recording reveals a US Air Force pilot reported a UFO in California. The object allegedly moved at Mach 2 speeds.

Across the state, there are five military installations. While not yet known, any can be pinged to help deportation efforts, ...