Missing Purple Heart Returned

The Purple Heart is the oldest military award still given to members of the United States military.

Here's how NATO gets its tanks across bridges.

President Woodrow Wilson kept sheep on the White House’s south lawn during World War I, and here’s why.

A site in Maryland holds a “ghost fleet” of sunken warships.

Members of the U.S. Coast Guard seized a submarine carrying 39 pounds of cocaine.

A mini-sub sitting on the ocean floor has been taken over by sea creatures.