Crossword clues for NCO. 4 letters:CORPAn NCOSSGTArmy NCOSSGTNCOSSGTHigh-ranking NCOPFCSNCO's subordinatesSGTSNCO club membersSGTSCertain NCO'sSERGAn NCOSSGTAn NCOSSGTUSAF NCOSSGTAn army NCOTSGTAir Force NCOMSGTCertain NCOPFCSNCO subordinatesSSGTMarines NCOMSGTArmy NCOHALTNCO's command.SSGTUpper-rank NCOMESSNCO's hallCPLSSome NCO'sSSGTMarine NCOSSGTAir Force NCOSERGNCO.AWOLMissing NCO, maybeMSGTAn NCOMSGTSenior NCOMSGTNCO rankSSGTNCO rankTSGTUSAF NCOSSGTCertain NCOSFCSNCO ranksSSGTNCO two levels above cpl.NCOE-4 to E-9 rankingNCOE-4 or E-5NCOElvis was one from '59 to '60NCODI, e.g.NCOCorp., e.g.NCOCorp., for oneNCOCpl. or Sgt.NCOBX shopperNCOOne with an E-5 ranking: Abbr.NCOSgt. or cpl., for example (my dad was in the military so, yes, this is fair game!)NCOMil. designationNCOUSO attendee, possiblyNCOStaff sgt., e.g.NCOSSgt., e.g.NCOSgt. Snorkel, e.g.NCOArmy fig.NCOMidlevel mil. leaderNCOLieut.'s subordinate