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George TrowbridgeOffline

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  • Largo, FL, USA
  • George Trowbridge
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George Trowbridge

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Master Chief Petty Officer, Quartermaster, U.S. Navy (retired). U.S. Coast Guard credentialed Merchant Marine Deck Officer; Master of vessels 3,000 gross tons Oceans and Second Mate on vessels of any gross tons, Oceans.

Biographical Info

U.S. Navy 1971 to 1992 – Fifteen years sea duty U.S. Navy on five different ships.  Taught piloting and celestial navigation at U.S. Navy Officer Candidate School (OCS). 1992 to present – Served as deck officer on various commercial vessels.

Founded two private maritime training institutions and managed two other througout the Gulf of Mexico region. Written and developed celestial and ocean navigation curricula for five merchant marine training institutions.

Have been teaching celestial navigation either onboard while at sea and/or in naval/private training institutions since 1975.   


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Ken Gebhart, Jr.


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