page_title: Brewster Islands Military Reservation
hierarchical_section_title: Brewster Islands Military Reservation
caption_attribution_description: Gun on Battery Parrott, Fort Monroe, Va., U.S. Army Environmental Command photo by Neal Snyder (neal.snyder@us.army.mil). 90 mm M1 gun on T3/M3 fixed coast defense mount.
context_page_description: Brewster Islands Military Reservation was a coastal defense site located on Great Brewster Island and Outer Brewster Island in Boston Harbor, Massachusetts as part of the Harbor Defenses of Boston.
context_section_description: Brewster Islands Military Reservation was a coastal defense site located on Great Brewster Island and Outer Brewster Island in Boston Harbor, Massachusetts as part of the Harbor Defenses of Boston.
caption: 90 mm M1 gun on T3/M3 fixed seacoast mount at Fort Monroe, Virginia.
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