6. USSF / SD 4 / Cape Cod air station

US Space Force / Space Delta 4 / Cape Cod air stn Massachusets.
- USSF / 6 Space Warning Squadron. This is a Space Delta 4 outpost operating an AN/FPS-132 Upgraded Early Warning Radar. This is a phased array radar system used for long-range early warning and space surveillance, operating as part of the US Missile Defense and Space Surveillance Network.

A phased arry radar installation has multiple faces, where each face provides a 180-degree coverage. AN/FPS-132 is operating in the UHF band and has an average range of over 3,000 nautical miles

Similar types are located at Beale airbase CA ; RAF Fylingdales UK ; Thule Site J (Thule airbase, Greenland) ; Clear air station, Alaska and Qatar
http://upload.wikimedia.org/wikipedia/commons/0/0a/PAVE_PAWS_Cape_Cod_AFS_1986.jpg

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