4. NAV / Silver Strand Training Complex

32°35'36"N 117° 7'43"W Former Naval Radio Receiving Facility (NRRF) later Imperial Beach SIGINT facility
It included an AN/FRD-10 Circular Dipole Antenna Array (CDAA) high frequency direction finder http://upload.wikimedia.org/wikipedia/commons/f/ff/Silver_Strand_Training_Complex.jpg a.k.a. an Elephant Cage.
The antenna was the last one of its kind and was used to provide direction finding and SIGINTcommunication links.
The antenna was finally dismantled in 2015 and the whole facility is being refurbished.,

Currently the site is the Silver Strand Training Complex South (SSTC-S) a training facility for US SpeOps forces
The city-like layout of the base also provides a realistic site for critical urban warfare training.
It is one of the remote facilities under 4. NAV / San Diego

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