>Castle Rock?
Castle Rock is a Castle Foundation. Usually a precipice overlooking a strategic and tactically superior geography.
West Point, AKA, Fort Arnold?
While the fortifications at West Point were known as Fort Arnold during the war, as commander, Benedict Arnold committed his act of treason, attempting to sell the fort to the British.[13][14] After Arnold betrayed the patriot cause, the Army changed the name of the fortifications at West Point, New York, to Fort Clinton.[13] With the peace after the American Revolutionary War, various ordnance and military stores were left deposited at West Point.[15]
https://en.wikipedia.org/wiki/United_States_Military_Academy
Does this have to do with McMaster?