 The forts never fired a hostile shot, and many of the guns were removed during World War I for use in Europe; all remaining now-obsolete guns were scrapped during World War II.Subsequently, Fort Worden was used for training a variety of military personnel and for other defense purposes.The oldest building on the post is Alexander's Castle, a brick residence built in 1883 by Reverend John Barrow Alexander (1850-1930) which pre-dates the military presence.