Fort Armstrong (2) (1899-1949) - A Taft Period Coastal Fort first established in 1899 in Honolulu, Honolulu County, Hawaii. Named Fort Armstrong in G.O. 160, 1909, after Brigadier General Samuel C. Armstrong, who served during the U.S. Civil War and fought at Gettysburg gaining the rank of Major General at age 26. Abandoned in 1949.
Roberts, Robert B., Encyclopedia of Historic Forts: The Military, Pioneer, and Trading Posts of the United States, Macmillan, New York, 1988, 10th printing, ISBN 0-02-926880-X, page 241
Grobmeier, Alvin H., Officers of the U.S. Army and Others in Honor of whom Coast Artillery Forts and Batteries in Hawaii Have Been Named, CDSG News, Vol. 6, No. 4 (Nov. 1992), pp. 66-67