1. Operations Specialist (US Navy)Operations Specialist (abbreviated as OS) is a United States Navy occupational rating.
Read “Operations Specialist (US Navy)” on English Wikipedia
Read “電測” on Japanese Wikipedia
Read “Operations Specialist (US Navy)” on DBpedia
Read “Operations Specialist (US Navy)” on English Wikipedia
Read “電測” on Japanese Wikipedia
Read “Operations Specialist (US Navy)” on DBpedia
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