Universal Military Training (UMT)

U-joint (universal joint / universal coupling)

general universal military service

compulsory universal military obligation

hydra universal rail launcher (HURL)

universal engineer tractor

universal transverse Mercator grid

joint universal lessons learned

universal radar tracker

constant velocity universal joint

universal background checks

universal coupling

universal engine stand

universal grease

universal mount

universal tank

universal-joint center cross

universal-joint lubricant

universal-joint snap ring pliers

universal link

universal asynchronous receiver-transmitter

universal gravitation

universal receiver

universal synchronous asynchronous receiver-transmitter

universal electric resistance thermometer gauge

Universal Coordinated Time (UTC)

cross and yoke universal-joint needle bearing

Unimog (нім. Universal-Motor-Gerät)

universal far infrared sensor

Army/Navy universal surveillance drone

universal joint-gimbal

Universal Asynchronous Receiver / Transmitter (UART)

live-fire training (field-fire training)