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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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 << SGTF Special Operations
POTAM Landon
Geocaching Reference Number TB31AC0

Worth 80 Points (Create an account to enter TB tracking number and earn points!)

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

Its discovery is worth 80 points towards an operative's rank on this Web site!

About this item:
Lt. John Landon was an ANSA military pilot who allegedly vanished without a trace during a mysterious top secret military training flight over Southern California on 27 March 1968. His disappearance has been linked to our investigation as first introduced in FBZ A.P.E. 53's intelligence report "Scarecrow Markers." Landon's whereabouts are still unknown.

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

Operatives who have logged this TB...

  • Honorable Discharge DUCK432
  •  (Mon 22 Mar 2010 @ 18:26:24 GMT; 1269282384 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge CONDORMAN
  •  (Mon 22 Mar 2010 @ 20:00:11 GMT; 1269288011 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge FLAGMAN
  •  (Thu 25 Mar 2010 @ 13:36:23 GMT; 1269524183 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge THEJJDUO
  •  (Thu 29 Apr 2010 @ 17:55:14 BST; 1272560114 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge MIKE6X6
  •  (Fri 30 Apr 2010 @ 16:30:11 BST; 1272641411 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Honorable Discharge BLONDHILITES
  •  (Sun 12 Jun 2011 @ 23:18:36 BST; 1307917116 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret BKIP
  •  (Mon 13 Jun 2011 @ 19:12:14 BST; 1307988734 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • General RAGFOOT
  •  (Mon 13 Jun 2011 @ 20:47:18 BST; 1307994438 seconds since Unix Epoch (POSIX) 01 Jan 1970 00:00:00 UTC)
  • Green Beret STANSD
  •  (Sat 10 Mar 2012 @ 21:32:51 GMT; 1331415171 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).