direct vision block

night-vision goggles (NVGs); night vision goggles (NVG)

NV (night vision) mount, NVG (Night Vision Goggles) mount

NV kit, NVG kit / Night Vision, Night Vision Goggles

all-round vision block

surveillance vision block

vision block

cylinder block (engine block)

feed block slide (feed-block-actuating slide)

field of vision

infrared night vision observation device

night (vision) sight

night vision device (NVD)

night vision kit

night vision sight

obscurant agent (vision-restricting agent)

Starlight Scope (Night Vision Sight)

vision nil (zero)

night-vision flip-up goggles

all-around vision

binocular vision

vision slit

video-frequency (vision) channel

vision

vision aid

vision slot

night vision

night vision device

night vision glasses

night vision training

radio and vision section

image intensification vision device

night vision pilotage system