automatic back bias

survivorship bias / survivor bias

bias error

bias stability error

user clock time bias error

service bias

semi-automatic pistol (automatic pistol)

automatic heavy barrel rifle / heavy barrel automatic rifle

back-to-back circuit

back-to-back connection

back-to-back radio stations

back-to-back relay

automatic aircraft gun

automatic chemical agent alarm

automatic combat direction system

automatic data processing (ADP)

automatic data processing equipment

automatic fire

automatic firearm

automatic grenade launcher

automatic identification system (AIS)

automatic masking criteria

automatic pointing cutout system

automatic rifleman

automatic sector scanning

automatic small arms

automatic switching device

automatic target cueing

automatic target recognition (ATR)

automatic target tracking

automatic towing machine

automatic transmission

fully automatic weapon