hydra universal rail launcher (HURL)

U-joint (universal joint / universal coupling)

Hydra 70

Picatinny rail (Pic rail)

hurl a grenade

hurl drone swarms

launcher rail

rail launcher

rail (rocket) launcher

universal engineer tractor

universal transverse Mercator grid

general universal military service

Universal Military Training (UMT)

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)

compulsory universal military obligation