Battles & Wars › World War II › Vietnam War
Night vision
infrared sniperscopes 1945; starlight scopes in Vietnam· Invention or discovery· Technology, codes & intelligence
Well documentedSolid records, physical evidence or scientific consensus.
Devices that let soldiers see in darkness, first with invisible infrared light, later by amplifying starlight or sensing heat.
See it on the Battles & Wars map →What happened
The first type, used by Germany and the US in 1945, shone an invisible infrared beam and turned the reflection into a visible image, but an enemy with a sensor could spot the beam. Vietnam-era 'starlight scopes' amplified faint moonlight and starlight thousands of times without any beam. Thermal imagers, standard on US tanks by 1991, sense heat itself, so they see through darkness and smoke. Each generation made the night less safe for whoever lacked it.
Why it matters
Armies that could fight at night gained a huge edge; the US Army adopted the boast 'We own the night.'
How we know
US Army Night Vision Laboratory histories, combat reports from Okinawa, Vietnam and Desert Storm, and surviving equipment in museums.
Still debated
How decisive early night-vision gear was is uncertain; wartime claims of its effect were rarely checked against enemy records.
Connections (3)
▸Night vision first saw US combat use in the Battle of OkinawaMostly agreed
The connection
US 'sniperscopes,' carbines fitted with an infrared lamp and an image-converter sight, reached Army and Marine units on Okinawa. Japanese troops often attacked or infiltrated at night, and the scopes let defenders spot them in total darkness at short range.
When and how
Okinawa, April–June 1945; small numbers of M1 carbines with M1 and M2 sniperscopes, used by US Army and Marine units.
How sure are we?
Army ordnance reports and veterans' accounts; usually cited as the first US combat use, though Germany's similar Vampir sight saw action in early 1945.
Debates and open questions
Wartime claims that sniperscopes caused a large share of Japanese night casualties are hard to verify and may be exaggerated.
▸Night vision brought starlight scopes to the Vietnam WarWell documented
The connection
From the mid-1960s the AN/PVS-2 'starlight scope' amplified faint moonlight and starlight without giving off any beam, so enemy fighters could not detect it. It helped US troops on night ambushes and base defense, contesting the darkness that Viet Cong and North Vietnamese units had long used for movement.
When and how
South Vietnam, from about 1965–67; developed by the US Army's Night Vision Laboratory at Fort Belvoir, Virginia.
How we know
Army laboratory histories, procurement records, combat reports and veterans' accounts.
Debates and open questions
How much it changed outcomes is unclear; early scopes were heavy and fragile, and enemy units still often moved freely at night.
▸Night vision gave US tanks thermal sights in the Desert Storm ground war and the Battle of 73 EastingWell documented
The connection
US M1A1 Abrams tanks and Bradley vehicles carried thermal sights that sensed heat, letting crews see Iraqi tanks through darkness, smoke and sandstorms, often beyond the range of Iraqi sights. At 73 Easting, in a sandstorm, the 2nd Armored Cavalry Regiment destroyed dozens of Iraqi vehicles in minutes.
When and how
Southern Iraq and Kuwait, February 24–28, 1991; 73 Easting on February 26, with Captain H.R. McMaster's Eagle Troop among the US units.
How we know
After-action reports, the Army's detailed 1991 reconstruction of 73 Easting, and Iraqi wrecks surveyed after the battle.
Debates and open questions
How much of the lopsided result came from sights rather than training, air attacks beforehand and Iraqi morale is debated.