Forbidden Zone Geocaches
 
   
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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!

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 << SGTF Special Operations
POTAM Manhunt
Geocaching Reference Number TB2JRG4

Worth 10 Points (Create an account to enter TB tracking number and earn points!)

 
POTAM Manhunt Tracking Bug ImageCurrent GOAL:
Your TOP SECRET mission (codename MANHUNT) is to further this Special Reconnaissance (SR) evidence through any means possible to help it reach its destination at N 37° 50.758 W 121° 56.068 (GCWBRF), the "Return to Planet of the Apes" California Command Center (formerly Devil's Spoon) in Mt. Diablo State Park.

About this item:
SGTF speculates this "long lost" 1999 Archive promo card is a P2 Inkworks promotional item. Per SGTF's AOR under Operation Silverback, operatives to help forward this materials item to the former M-03 GCBA4 cache for further exploration have been initiated.
 
   
     

Operatives who have logged this TB...

  • Honorable Discharge CONDORMAN
  •  (Sat 20 Jun 2009 @ 17:13:19 BST; 1245514399 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge DUCK432
  •  (Sat 18 Jul 2009 @ 7:01:34 BST; 1247896894 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • First Lieutenant TNE
  •  (Tue 28 Jul 2009 @ 8:12:37 BST; 1248765157 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Chief Warrant Office BRONCNUT
  •  (Tue 28 Jul 2009 @ 16:28:49 BST; 1248794929 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge THEJJDUO
  •  (Tue 10 Nov 2009 @ 13:45:25 GMT; 1257860725 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • First Sergeant NOBRO58
  •  (Wed 29 Mar 2023 @ 11:38:16 BST; 1680086296 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
   

 
   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).