Answer: SIRNOSIR

AnswerCrossword Clue
SIRNOSIRBarked military response
SIRNOSIREmphatic military answer
SIRNOSIRSoldier's barked denial
SIRNOSIREmphatic military reply
SIRNOSIRPrivate denial
SIRNOSIRRecruit's refusal
SIRNOSIRGrunt's negative
SIRNOSIRArmy negative
SIRNOSIREmphatic response during a drill
SIRNOSIRDrill denial
SIRNOSIRLoud drill bit?
SIRNOSIRG.I. reply