Also known as: sec.
SEC has various meanings in the Military category. Discover the full forms, definitions, and usage contexts of SEC in Military.
Sixtieth part of a minute of time.Sixtieth part of a minute of arc
MilitaryThe designation given to sheet or strip that has imperfections in moderate degree or extent, which may be classified in two general groups imperfections in the base material, or other manufacturing defects. This term not used in connection with non ferrous alloys.
MilitaryTo make fast; safe; the completion of a drill or exercise on board ship.
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