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Terms for subject Military (74177 entries)

OATS	overall test set
OAU	optical alignment unit
obstruction	ob
OB	observation balloon
OB	observation battery
OB	operating base
OB	operational base
OB	optical bistability
OB	ordnance battalion
OBA	oxygen breathing apparatus
OBBO	observation balloon
OBC	on-board checkout
OBD	operational base development
OBD	ordnance base depot
OBEM	operational battery effectiveness model
OBFS	offshore bulk fuel system
OBFS	overseas base facilities summary
OBI	obligated involuntary
OBI	order-of-battle information
OBI Operations Center	OBI-OC