forward-looking infrared radar (FLIR)

forward looking infrared (FLIR) camera

forward looking infrared (FLIR) receiver

advanced forward-looking infrared

forward looking flat plate

down-looking radar

side-looking airborne radar

radar cross-section / radar cross section (RCS); radar signature; radar crossover

pig looking at a wristwatch

forward observer (FO), forward observation officer; (artillery) observer / spotter

TRML-4D radar (нім. Telefunken Radar Mobil Luftraumüberwachung / Telefunken mobile airspace surveilance radar)

forward scatter-over-the-horizon radar (OTH)

forward-based radar

forward-scatter radar

forward-scattering radar

active infrared (IR) guidance system

electro-optic/infrared (EO/IR)

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

infrared sight-line control (ISC)

IRR / Infrared Resistant