Your Daily Science
Rockbridge Historical Marker Friday 2019June07 914am

Rockbridge Historical Marker Friday 2019June07 914am by Wadesuhr, CC BY-SA 4.0, via Wikimedia Commons

What Were the 1942 Los Angeles Searchlight UFOs?

Historical investigations4 min read

The 1942 Los Angeles searchlight UFOs were an unidentified glowing object that searchlights picked out over the city in the early hours of 25 February 1942, setting off an air-raid alarm, a blackout and anti-aircraft fire. About 1,430 shells were fired. No aircraft was shot down or identified, and nothing checked here confirms what the object was.

The episode is usually called the Battle of Los Angeles. This article separates what was said at the time from what later writers added, and it flags where accounts conflict. It is provisional: the original archives were not checked, so several points rest on secondhand quotation. For other cases, see famous UFO cases explained.

What were the 1942 Los Angeles searchlight UFOs?

In the early hours of 25 February 1942, air-raid sirens sounded over Los Angeles and a blackout covered much of southern California, from the San Joaquin Valley to the Mexico border. Searchlights were aimed at a glowing object over the Santa Monica Mountains.

One witness, C. Scott Littleton, was eight years old and living in Hermosa Beach. He later became an anthropology professor, and in a 2003 recollection he described a small, glowing, lozenge-shaped blob of light. He said he saw only one object, not several as some witnesses later reported.

No account reviewed shows the object being identified or shot down, and none names an aircraft the military could confirm. Nothing checked so far shows what it was, which makes the event a useful test case for the habits in how to evaluate a claim.

How many shells were fired at the Battle of Los Angeles?

The figure most often given is 1,430 anti-aircraft shells, fired by the 37th Coast Artillery Brigade. Some accounts say simply that more than 1,400 were fired.

The sirens are reported to have wailed for about thirty-eight minutes, and a newspaper sidebar from the time records the blackout as running from 2:25 a.m. until 7:21 a.m. Accounts differ on when firing began, with times between about 3:06 and 3:36 a.m. One magazine account from 1987 puts firing between 3:16 and 4:14 a.m. and describes a 51-minute gap between the first alert and the first guns. That gap is one reason the event is still argued over.

Contemporary accounts report that fragments from the anti-aircraft shells fell on the city and damaged homes.

1917. Ashland Field Station. US Department of Agriculture, Bureau of Entomology, Forest Insect Investigations. 111 3rd Street, Ashland, Oreg
1917. Ashland Field Station. US Department of Agriculture, Bureau of Entomology, Forest Insect Investigations. 111 3rd Street, Ashland, Oreg by R6, State & Private Forestry, Forest Health Protection, Public domain, via Wikimedia Commons

Did the US government admit the Battle of LA was a false alarm?

Not in so many words, and the official statements pull in different directions. The Western Defense Command said the aircraft behind the blackout had not been identified. It did not say they were imaginary. Navy Secretary Frank Knox, speaking in Washington, put the alarm down to a false alarm and jittery nerves.

Army spokesmen first said between one and 50 planes had been sighted. Later, General Mark Clark is reported to have said that listening posts had detected five light planes. The spread of numbers points to confusion about what was overhead.

Some UFO writers quote the official Army Air Forces history as saying radar picked up an unidentified target 120 miles west of Los Angeles and that fighters were kept on the ground. That quotation could not be checked against the original volume. A 1987 magazine account says Army interceptor planes were warming up, which conflicts with the Army denial that fighters were in action; this conflict is unresolved. A further claim, that the radar involved had a range of only 22 miles, is also unverified.

What did General Marshall's 1942 memo say about the Los Angeles incident?

Two secondhand versions of a memo from General George C. Marshall to President Roosevelt exist, and they conflict. One, reported on a UFO site, is dated 5 March 1942 and describes an interplanetary origin and a recovered object in the San Bernardino Mountains. The other, quoted from a 2000 book by Richard Dolan, says the memo concluded conventional aircraft, probably commercial ones operated by enemy agents, and that it stayed classified until 1974.

They cannot both be right as stated. The memo's contents, date and classification could not be confirmed from a primary archive, so neither version should be treated as settled. Claims about classified documents are hard to test without the originals, a point covered in why redacted files fuel conspiracy theories. The recovered-object claim appears on only one site and is unconfirmed.

Was the Battle of Los Angeles a real UFO event or a misidentified target?

The case for a misidentified target rests on the official statements that the aircraft were not identified, the conflicting numbers of aircraft, and the absence of any recovered object or shot-down aircraft. The case for a UFO rests mainly on eyewitness accounts, including Littleton's, who said he was pretty sure it was a UFO. Witness descriptions vary, from a blob of light to a cigar or a balloon shape, and one estimate of about 800 feet long, based on beam widths, is unverified.

Some writers say a photograph from the time shows the object. Claims that it was retouched or altered could not be fully checked from the pages reviewed. Littleton himself thought the bubble in the photograph was simply an anti-aircraft burst. For how experts approach such images, see how experts check if an old photo is fake.

Accounts also disagree on the death toll, usually given as six, with different causes listed, including heart attacks and crashes. No official list was found, so treat the figure as approximate. For a wider set of stories, try 20 UFO sightings and what really happened.

Try 20 UFO Sightings and What Really Happened

Searchlights over Los Angeles, Roswell’s balloon, radar ghosts, a lighthouse in a forest and the Navy’s Tic Tac: 20 true UFO stories and what investigators found.

Start

Sources and further reading

Pages we opened when writing this article, last checked 18 October 2026. They open in a new tab, and we are not responsible for what other sites publish.

This article was written with the help of AI and reviewed before publication. Spotted a mistake? Write to [email protected].