Crossword clues for NCO. 4 letters:SFCSNCO ranksSSGTUSMC NCOPFCSNCO's subordinatesSGTSNCO club membersCPLSSome NCO'sSERGAn NCOSSGTAn NCOMSGTNCO rankTSGTUSAF NCOSSGTNCOPFCSNCO subordinatesSSGTHigh-ranking NCOSSGTMarines NCOMSGTArmy NCOHALTNCO's command.SSGTUpper-rank NCOMESSNCO's hallSGTSCertain NCO'sSSGTMarine NCOSSGTAir Force NCOSERGNCO.AWOLMissing NCO, maybeMSGTAn NCOMSGTSenior NCOSSGTNCO rankSSGTAn army NCOSSGTCertain NCOTSGTAir Force NCOSSGTNCO two levels above cpl.MSGTCertain NCONCOE-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 shopperNCOSgt. or cpl., for example (my dad was in the military so, yes, this is fair game!)NCOMany a PX shopperNCOMil. designationNCOUSO attendee, possiblyNCOSSgt., e.g.NCOSgt. Snorkel, e.g.NCOOne with an E-5 ranking: Abbr.NCOArmy fig.NCOLieut.'s subordinateNCOOne with a chevron: Abbr.NCOPvt.'s superiorNCOFull Metal Jacket figure