The rest of the base, which is huge land-wise, is Camp Edwards, a National Guard/Reserve base. Used to see weekend warriors of all services there from time to time.
I was assigned to the 6th Missile (replaced with Space) Warning Squadron, Cape Cod Air Force Station, a fenced off area on the Northern tip of the base, by the Sagamore Bridge. We were just a little old radar station running a giant phased array radar.
Here's a picture:
Looks like they're getting power from windmills now.
What do they do if the enemy launches missiles when it's a dead calm?
Westover, Otis, Loring, Pease, Portsmouth, Limestone, Brunswick, New London, Quonset Point, Hanscom, Chatham, Sandwich, New Boston, Grenier Field, Bradley Field, South Weymouth, Barnes Field, Charlestown Navy Yard (including the Marine Barracks), Hull, a few NIKE batteries, Fort Devens, Edwards, etc..