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Life support units, namely, self-contained breathing units that deliver blower-assisted filtered air and bottled breathing gas in an integrated unit for non-medical use; small arms optic support for mounting optical devices in the nature of optical lens sights, optical rifle scopes, image intensifiers in the nature of magnifying lenses, and night vision rifle scopes; helmet mount units for supporting an optical vision device in the nature of binoculars, monoculars, night vision goggles, and image intensifiers being magnifying lenses, all for use on a helmet and for alternately positioning the optical vision device in an operational position in front of a wearer's eyes and a stowed position out of the wearer's line of vision; laser designators, namely, optical laser sights for firearms with an integrated handgrip sold together as a unit; trajectory guidance units employing laser and optical technology primarily comprised of global positioning systems, celestial positioning systems, lasers for non-medical use, and optical lens sights, all for use with man-portable, shoulder-fired weapons in the nature of grenade launchers and light anti-tank or anti-armor weapons