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The original Mk 2 grenade had a 3 ⁄ 8-inch (9.5 mm) threaded plug in its base, which covered the opening used to place the explosive filling, either 1.85 oz (52 g) of TNT, 2.33 oz (66 g) of Trojan explosive (a mixture of 40% nitrostarch, ammonium nitrate, and sodium nitrate), 1.85 oz (52 g) of a 50/50 amatol/nitrostarch mixture, or 1.85 oz (52 g) of Grenite (a mixture of 95% nitrostarch and ...
The Historical Society of Washington, D.C., also called the DC History Center, is an educational foundation dedicated to preserving and displaying the history of Washington, D.C. The society provides lectures, exhibits, classes, and community events. It runs a museum, library, and publishes the journal Washington History.
The District of Columbia, capital of the United States, is home to 78 National Historic Landmarks.The National Historic Landmark program is operated under the auspices of the National Park Service, and recognizes structures, districts, objects, and similar resources according to a list of criteria of national significance. [1]
Location of the Munitions and Main Navy Buildings on a 1945 USGS map. The Munitions Building, constructed in 1918, contained 841,000 square feet (78,100 m 2) of space across three stories and was designed to provide temporary accommodations for 9,000 Department of War employees. [6]
The Second Division Memorial is located in President's Park, between 17th Street Northwest and Constitution Avenue in Washington, DC, United States. Detail. The Memorial commemorates those who died, while serving in the 2nd Infantry Division of the U. S. Army. [1] [2] The artist was James Earle Fraser. [3]
The modern fragmentation grenade was developed during the 20th century. The Mills bomb, first adopted in 1915 by the British army, is an early fragmentation grenade used in World War I. The Mk 2 grenade was a fragmentation grenade adopted by the American military based on the Mills bomb, and was in use during World War II. [6]
This is a list of properties and districts in Washington, D.C., on the National Register of Historic Places.There are more than 600 listings, including 74 National Historic Landmarks of the United States and another 13 places otherwise designated as historic sites of national importance by Congress or the President.
The National Museum of the United States Navy, or U.S. Navy Museum for short, is the flagship museum of the United States Navy and is located in the former Breech Mechanism Shop of the old Naval Gun Factory on the grounds of the Washington Navy Yard in Washington, D.C., United States.