Forbidden Zone Geocaches
 
   
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· Little Green Men
· The Forbidden Zone
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· Warlock Mine

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  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!

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

 << SGTF Special Operations
POTAM Pericles
Geocaching Reference Number TB2D1YR

Worth 100 Points (Create an account to enter TB tracking number and earn points!)

 
POTAM Pericles Tracking Bug ImageCurrent GOAL:
Operatives can discover this intelligence (codename PERICLES) as part of the final classified Operation Silverback mission.

Its discovery is worth 100 points on this Web site!

About this item:
Its true whereabouts are unknown, but most suspect this TOP SECRET intelligence is hidden in an undisclosed location in the mountains of Southern California.

Please do not remove this resident geocoin from its current location. It is meant for discovery only!
  
   
     

Operatives who have logged this TB...

  • Honorable Discharge DUCK432
    •  (Mon 22 Mar 2010 @ 18:27:44 GMT; 1269282464 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge CONDORMAN
    •  (Mon 22 Mar 2010 @ 19:57:05 GMT; 1269287825 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge FLAGMAN
    •  (Thu 25 Mar 2010 @ 13:35:43 GMT; 1269524143 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge THEJJDUO
    •  (Sat 27 Mar 2010 @ 17:12:32 GMT; 1269709952 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MIKE6X6
    •  (Wed 14 Jul 2010 @ 8:41:05 BST; 1279093265 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge BLONDHILITES
    •  (Sun 12 Jun 2011 @ 22:15:02 BST; 1307913302 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General DILLWEED
    •  (Mon 13 Jun 2011 @ 9:23:14 BST; 1307953394 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General FISNJACK
    •  (Mon 13 Jun 2011 @ 10:16:36 BST; 1307956596 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret BKIP
    •  (Mon 13 Jun 2011 @ 19:09:29 BST; 1307988569 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General RAGFOOT
    •  (Mon 13 Jun 2011 @ 20:41:53 BST; 1307994113 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret STANSD
    •  (Sat 10 Mar 2012 @ 21:28:07 GMT; 1331414887 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General OESTEADO
    •  (Sun 09 Apr 2017 @ 13:48:54 BST; 1491742134 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret DICKANDALE
    •  (Wed 25 Sep 2024 @ 16:55:42 BST; 1727279742 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MPARK65
    •  (Mon 21 Oct 2024 @ 19:04:21 BST; 1729533861 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).