Category:New Hampshire All

 (F) 43.071447, -70.709576, Fort Constitution (2) (F) 43.057843, -70.713270, Fort Stark (F) 43.050193, -70.720150, Fort Dearborn (4) (F) 43.073884, -70.740379, Fort Washington (5) (1775-1778, 1814-1815) (C) 43.06458, -70.71425, Camp Langdon (1909-1946/1963)

(L) 42.93781, -71.43636, Grenier AFB Lashup Radar Site (R) 43.04417, -70.71528, Rye Air Force Station (1955-1957) (G) 42.88989, -71.36925, Londonderry NH Gap Filler (G) 42.91846, -70.79594, Hampton Beach NH Gap Filler