On Fort McNair sits Grant Hall[2] which is the location of the 1865 military tribunal of the conspirators of the assassination of Abraham Lincoln.

Fort Myer is headquarters to service personnel working throughout the National Capital Region.

The JBMHH's mission is to operate the Army's community[clarification needed] and support Homeland Security in the nation's capital.

The gravesite of Black Jack, the riderless horse in the state funerals of General of the Army Douglas MacArthur and U.S. Presidents John F. Kennedy, Herbert Hoover, Dwight D. Eisenhower, and Lyndon B. Johnson, is located on Summerall Field, 200 feet (61 m) northeast of the parade ground's flagpole.

[4] Due to its proximity to Arlington National Cemetery, this is also the base of operations for most Honor Guards services and burial teams.