Forbidden Zone Geocaches
 
   
 
FBZ Missions
  
 
  · Stone of the Lost Valley
· The Bunkers
· Mission Gorge
· Rock River Burial Mound
· Supernatural Supernova
· Little Green Men
· The Forbidden Zone
· The Doomsday Bomb
· The Monkey's Triangle
· Warlock Mine
  
 


 
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Journal Entries
  
 
 
· The Fool in the Rain [8/25/25]
· Reporting for Duty [2/24/25]
· Introduction [3/29/23] Normal.gif

[ More in Journal Section ]
  
 


 
Silverback Cipher
  
 
 
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!
  
 


 
External Links
  
 
  · 1: The CIA Vault
· 2: The FBI Vault
· 3: Project Blue Book
· 4: Aliens the Truth
· 5: The Black Vault
  
 


 << SGTF Special Operations
Project A.P.E. 54 Geocoin
Geocaching Reference Number TB15MCG

Worth 20 Points (Create an account to enter TB tracking number and earn points!)

 
Project A.P.E. 54 Geocoin Tracking Bug ImageCurrent GOAL:
This Project A.P.E. coin does not physically circulate but photographic proof of its existence can be discovered at the Simian Guerrilla Task Force's Forbidden Zone (FBZ) A.P.E. 54 Top Secret Geocache (TSG).

About this item:
Its true whereabouts are unknown, but most believe this highly coveted Project A.P.E. geocoin is stored under maximum security in an underground, fortified bullion depository east of SGTF headquarters.
  
   
     

Operatives who have logged this TB...

  •  DUCK432
    •  (Mon 09 Mar 2009 @ 17:53:49 GMT; 1236621229 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  CONDORMAN
    •  (Tue 10 Mar 2009 @ 20:02:17 GMT; 1236715337 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  TNE
    •  (Mon 20 Jul 2009 @ 6:10:59 BST; 1248066659 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  LULU499
    •  (Wed 22 Jul 2009 @ 20:43:14 BST; 1248291794 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  THEJJDUO
    •  (Fri 30 Oct 2009 @ 8:38:45 GMT; 1256891925 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  MIKE6X6
    •  (Thu 20 May 2010 @ 22:33:49 BST; 1274391229 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  RAGFOOT
    •  (Fri 17 Sep 2010 @ 23:05:05 BST; 1284761105 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  BLONDHILITES
    •  (Thu 05 May 2011 @ 9:54:37 BST; 1304585677 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  BKIP
    •  (Thu 05 May 2011 @ 19:28:16 BST; 1304620096 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  FISNJACK
    •  (Mon 06 Jun 2011 @ 17:43:03 BST; 1307378583 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  DILLWEED
    •  (Mon 06 Jun 2011 @ 21:25:24 BST; 1307391924 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  CCC
    •  (Mon 25 Jan 2016 @ 14:24:55 GMT; 1453731895 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  ELANASTAHL
    •  (Mon 07 Aug 2017 @ 10:26:02 BST; 1502097962 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  HDAGENAIS
    •  (Mon 07 Aug 2017 @ 10:33:10 BST; 1502098390 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  OESTEADO
    •  (Sun 10 Jul 2022 @ 18:42:37 BST; 1657474957 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  FLAGMAN
    •  (Thu 01 Jun 2023 @ 22:14:47 BST; 1685654087 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  DICKANDALE
    •  (Thu 25 Apr 2024 @ 20:40:41 BST; 1714074041 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  MPARK65
    •  (Sun 19 May 2024 @ 15:05:41 BST; 1716127541 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  FEBONIOCLAN
    •  (Sun 19 May 2024 @ 21:40:39 BST; 1716151239 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  MAGICN3
    •  (Wed 12 Jun 2024 @ 13:05:59 BST; 1718193959 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  •  MIKE2FIND
    •  (Thu 20 Jun 2024 @ 5:23:24 BST; 1718857404 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
   

 


*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.


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   Operation Silverback Prize Ring SILVERBACK Prize Rings

Those who create an account on fbz.geocaches.org and enter mission codewords and POTAM tracking bug numbers receive points towards an Operative ranking. Operatives who achieve the rank of General (700 points) are eligible to receive an official silver Operation Silverback GC.com trackable ring from Oakcoins. Gold rings are available for those who reach the rank of Green Beret (or higher).