Waterways around the District will be closed off as part of the security plan for the upcoming military parade marking the U.S. Army’s 250th birthday. The preliminary plan is to block off access to the Potomac River from in Hains Point all the way up to the Key Bridge,

Thousands are expected to pack the National Mall on Saturday, June 14, for the US Army’s massive 250th Birthday Festival and Parade — and DC police want you to know: don’t bring a chair, a drone, or a sign on a stick.

The US Army held a parade in Washington, DC, for its 250th anniversary on Saturday. It was also President Donald Trump's 79th birthday.

Fireworks go off and music rings out during the celebration of the 250th Anniversary of the U.S. Army Grand Military Parade in Washington, D.C.