Iron Beam

backup iron sight (BIS)

GI (from `galvanized iron`, WWI)

iron bomb

Iron Dome

iron ration

iron sight

iron base bearing

iron in lubricating oil test

iron powder core

iron primer anvil

iron sights

iron

cast iron

in iron

iron-wire hedge

tip of soldering iron

acoustic beam

argon beam obscurant laser

beam antenna

beam rider guidance

beam rider guidance system

beam rider missile (beamriding missile)

beam steering

capture beam

gamma-beam generation

guidance beam

guide beam

I-beam frame

infrared beam

laser-beam target illuminating device

particle beam

particle-beam weapons