First a little about the

United States Naval Construction Battalions, better known as the Seabees, form the Naval Construction Force (NCF) of the United States Navy. Their nickname is a heterograph of the first initials "C.B." from the words Construction Battalion. Depending upon the use of the word, "Seabee" can refer to one of three things: all the enlisted personnel in the USN's occupational field-7 (OF-7), all officers and enlisted assigned to the Naval Construction Force, or the U.S. Naval Construction Battalions (CBs).
Examples: The first letter in the title of the Geocache is the qualifying letter.
Seabee enlisted Rates:
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BU (Builder)
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CE (Electrician}
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CM (Mechanics)
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EA (Engineering Aide)
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EO (Equipment Operator)
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SW (Steelworker)
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UT (Utilitiesman)
