compulsory universal military obligation

military service obligation (MSO)

U-joint (universal joint / universal coupling)

mandatory training (obligation)

compulsory military service

general universal military service

Universal Military Training (UMT)

compulsory insurance

compulsory pilotage

pilotage is compulsory

compulsory billeting

compulsory drill

compulsory evacuation

compulsory immunization program

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