Underwater missile for use against submerged submarines
Underwater power head
Underwater weapon dispenser
Underwater weapon systems
Unique signal, safe and arm device
Unit of ammunition with one or more warhead casings
Unitary header/base/shorting bar holder for a micro gas...
Unitary projectile
Unitary propellant charge for muzzle loading firearms
Universal isolation member and non-electric detonator cap includ
Universal projectile ammunition
Universal shot wad
Universal shotgun shell wad
Universal squib connector
Universal squib connector for a gas generator
Unpressurized combustible primer for cannon cartridges
Unwinding ribbon safing and arming device
Upset jacketed bullet
Use of a portion of a propellant charge as a seal
Use of radiation-crosslinked polyethylene