infrared weapon sight

infrared sight-line control (ISC)

weapon-mounted infrared source

anti-infrared weapon

front sight (fore / muzzle sight)

sight, to take a (careful) sight

day-sight (day sight)

modular integrated display and sight helmet (Modular Integrated Display-And-Sight Helmet)

thermal weapon sight (TWS)

nuclear weapon; atomic weapon

weapon-counter-weapon pendulum

active infrared (IR) guidance system

electro-optic/infrared (EO/IR)

forward looking infrared (FLIR) camera

imaging infrared system (I2R sys)

infrared (IR)

infrared / negative ultraviolet (IR/NUV) seeking

infrared acquisition system

infrared beam

infrared CO2 laser

infrared devices

infrared homing system

infrared imaging sensor

infrared intelligence (IRINT)

infrared night vision observation device

infrared receiver

infrared sensor

infrared target-sensor

forward looking infrared (FLIR) receiver

IRR / Infrared Resistant

advanced forward-looking infrared

advanced large-area infrared transducer

infrared focal plane array