SAN DIEGO (June 30, 2018) Lt. Matthew Norton, a Surface Warfare Officers School Det. San Diego instructor, explains the function of the stern tube seal to Basic Division Officer Course (BDOC) students during an engineering machinery tour. BDOC is an intensive, nine-week course of instruction designed to provide foundational classroom training to prospective surface warfare officers.

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Keywords: air, america, archive, armed, army, bdoc, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, swos, united, usa