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Silverback hunters should be familiar with the “pigpen” or masonic cipher,
which is a simple substitution cipher exchanging letters for symbols
based on a grid.
This cipher can be used to decrypt directions and secret codewords at FBZ geocaches!
The fortifications at this location are said to have been erected shortly after the Japanese attack on Pearl Harbor in December of 1941. They are often referred to as the Camp Minnewawa bunkers because a Civilian Conservation Corps (CCC) work camp named Camp Minnewawa operated in this area around 1937. The CCC built the mountain trail you traveled on to get here.
The CCC camp is said to have closed in 1942. Allegedly, the government seized the land from Birch through eminent domain around 1943 in response to the Pearl Harbor attack. The military is said to have built these bunkers to house radar units and generators that powered them. The military also built the concrete structure below to serve as an artillery bunker. This site was only commissioned for a short time and returned to the Birch family in 1947.
S.G.T.F. was unable to find any histoical records acknowledging military use of this land. It was not documented in a historical site assessment made for the Otay Ranch Company in 2009, nor was it men-tioned as a harbor defense position in a military historical record compiled by Steve Schoenherr of the South Bay Historical Society.
Why? Well, we believe these bunkers served a completely different purpose. Why do these bunkers contain bars on their doors and why do they look like prison cells? Why isnt there evidence of old military communications equipment scattered on the surrounding hillsides? Is it really feasible artillery mounted here would reach the San Diego coastline in lieu of an attack?
No, friend. These bunkers were used for a more sinister purpose such as alien-primate genetic testing. Or perhaps they were erected by advanced bi-pedal primates to jail human prisoners. They might even now serve as the entrance to a doorway leading to an alternative uni-verse where reptillian extraterrestrials breed intelligen primates to battle human beings.* Possibilities are only limited by a retardment of imagination.
In all, there are seven (7) FBZ locations (i.e. missions) to Operation Silverback. Six FBZs contain “intelligence” report(s) and a corresponding secret codeword. Use the six (6) codewords collectively at fbz.geocaches.org to discover the seventh and final TOP SECRET FBZ location. Keep in mind codewords can be gathered in any order so you DO NOT need to visit FBZs sequentially! The seventh and final mission location is where the truth shall be revealed!
Operatives who have successfully submitted the TOP SECRET codeword for this mission...
(Sat 10 Dec 2022 @ 18:50:41 PST; 1670727041 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
FBZ A.P.E. 52 contains a large ammo can with Special Reconnaissance (SR) related to SGTF's Operation Silverback in the form of Planet of the Apes Memorabilia (POTAM) and scouted intelligence reports. As a clandestine special tactics unit, SGTF has been known to leave POTAM tracking bugs in FBZs with special mission instructions related to active Project A.P.E. caches (e.g. Project A.P.E. Mission 9: Tunnel of Light).
FBZs are reserved for POTAM related to SGTF's Silverback operations. Visitors are encouraged to register their visit and leave ONLY items containing relevance to The Planet of the Apes or items that are traditional hitchhikers (e.g. geocoins, travel bugs, etc.). Only place and/or remove TRACKABLE items from this cache (read NO unrelated SWAG); Any POTAM found in this cache designated as NOT TRACKABLE is pertinent to operations for this FBZ and should REMAIN ASSIGNED TO THE CACHE. POTAM labeled PROVISIONAL FTF is considered remittance as reward for the FTF (First to Find) and can be removed freely without restriction or stipulation.
*Disclaimer: Stories here and at FBZ caches are a combination of historical conjecture, anecdote and pure fiction. Any similarity to any event, group, or person living or dead is merely coincidental. Additionally, SGTF has utilized a variety of signs/stickers as props in the FBZ geocaching series. Labels or warnings (e.g. biohazard, radioactive, etc.) which are fictitious will display some form of the SGTF/Silverback moniker; all other warning signage encountered during this or any other FBZ adventure should be respected and observed as posted.