“SEA”是“Southeast Asia”的缩写，意思是“南洋”

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“SEABEE”是“Construction Battalion”的缩写，意思是

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“SEAL”是“Sea-Air-Land Team”的缩写，意思是“Sea-Air

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“SEC”是“Submarine Element Coordinator”的缩写，意思

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“SECAF”是“SECretary of the Air Force”的缩写，意思是

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“SECARMY”是“SECretary of the ARMY”的缩写，意思是“陆

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“SECDHS”是“Secretary of The Department of Homeland

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“SECHS”是“Secretary of Homeland Security”的缩写，意

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“SECNAVINST”是“Secretary of The Navy Instruction”

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“SECOMP”是“Secure En Route Communications Package”

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