The Pentagon is a building located outside of Washington, DC that houses the US Department of Defense. It is one of the largest office buildings in the world.
The Pentagon was built in 1943 in Arlington, Virginia, across the Potomac River from Washington. It occupies some 6.5 million square feet and houses roughly 23,000 civilian and military employees. During the 9/11 terrorist attacks, the hijacked American Airlines Flight 77 crashed into the side of the building, killing 189 people. The term "the Pentagon" is often used to refer to the US Defense Department as a whole. Here is a collection of all of DW's content on the Pentagon.
The US has classified China and Russia as its main military competitors in a strategy document. Moscow has dismissed Washington's defense policy as "imperialist," while China said it represented a "Cold War mentality."
US President Donald Trump has defended the federal government's response to the destruction in Puerto Rico, wrought by the Hurricane Maria. The Pentagon pledged to send in more ships and additional troops to the island.
US Defense Secretary James Mattis has said transgender troops will remain in service until he advises US President Donald Trump on executing the ban. Several lawsuits have already been filed over Trump's directive.