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

acoustic beam

argon beam obscurant laser

beam antenna

beam rider guidance

beam rider guidance system

beam rider missile (beamriding missile)

beam steering

beam-riding

capture beam

gamma-beam generation

guidance beam

guide beam

I-beam frame

infrared beam

laser-beam target illuminating device

particle beam

particle-beam weapons