[9][10] OPLAN 1954, a 1954 war game preparing for an atomic bomb exploding over Washington, D.C., supposed that a vacant parking lot near the Armory could be turned into an emergency airstrip for delivering medical supplies.

[16][17] The armory has hosted the WCW Capital Combat professional wrestling event in 1990, served as a preliminary tryout venue for American Idol, been a concert venue for Marilyn Manson,[3] and hosted the Longest Yard Football Classic, a charity game pitting Members of Congress (aided by former NFL stars) against the Capitol Police.

[19] In 2013, facility hosted the IBF Junior Welterweight title fight featuring Lamont Peterson and Kendall Holt.

[3] Frank Sinatra and Peter Lawford produced President Kennedy's pre-inaugural gala at the Armory on January 19, 1961.

The cast of performers included Harry Belafonte, Milton Berle, Leonard Bernstein, Joey Bishop, Nat King Cole, Tony Curtis, Jimmy Durante, Ella Fitzgerald, Gene Kelly, Alan King, Janet Leigh, Ethel Merman, Louis Prima, Keely Smith, Pat Suzuki, and Helen Traubel.