Four Days at Muroc
In July 1947, at a test base deep in the Mojave Desert, four test pilots reported objects unlike any aircraft they knew. The files have only just been released.
In July 1947, at a test base deep in the Mojave Desert, four test pilots reported objects unlike any aircraft they knew. The files have only just been released.
The Aliens editors
This story was put together by our editors from the original documents. Every quote, date and figure comes from the source files listed further down the page.
At 10:10 a.m. on July 7, 1947, Major J. C. Wise sat in the cockpit of the XP-84 test aircraft at Muroc. The engine was running on the ground, heat rose from the runway, and the desert sky was clear. Then he looked up.
Sometimes a historical file begins without drama. Not with a newspaper headline or an official statement, but with a dry form someone filled out because regulations required it. In Muroc’s case, that form survived for nearly 80 years.
Muroc, later known as Edwards Air Force Base, was a place of quiet experimentation in 1947. Aircraft that would transform American aviation were tested there: the XP-84 test aircraft, early jets, and planes developed during the rapid transition from World War II to the jet age.
The people who worked there knew how to watch the sky. They weren’t random witnesses. They were test pilots, maintenance personnel, and air officers trained to distinguish shape, speed, direction, engine signature, and flight behavior. That’s why the four reports from July 1947 deserve a careful reading.
The pilots filled out a basic 26-question intelligence questionnaire. It asked for straightforward details: time, place, altitude, distance, speed, color, shape, sound, odor, exhaust trail, weather, and how the object disappeared.
The form was designed to limit interpretation. In practice, it revealed something else: even trained observers who apparently see the same phenomenon describe it in different words.
On July 8, less than a day after Wise’s sighting, Lieutenant Joseph C. McHenry and three other witnesses reported seeing two or three silvery objects, shaped like disks or balls, at about 8,000 feet. According to the form, one of them made a sharp turn.
That detail matters. In 1947, a maneuver like that, at that altitude and reported speed, didn’t fit easily with the aircraft known to the U.S. military. It doesn’t prove the objects were extraterrestrial, but it does explain why the report wasn’t immediately thrown out.
McHenry asked the witnesses to sign. They did.
What makes Muroc interesting is not only what was recorded, but also what wasn’t. The base was active, staffed, and focused on the skies. If four people reported sightings within a short period, others may have seen something and stayed silent, or reported it verbally without leaving a record.
In those years, many sightings were explained as Skyhook balloons, weather experiments, or aircraft from classified programs. In some cases, those explanations were correct. At Muroc, at least according to the surviving forms, the explanation remained open.
On May 8, 2026, the file was released as part of the U.S. Department of War’s collection of records on unidentified objects and anomalous aerial phenomena. The Muroc reports appear on pages 12–17. They’re brief, sometimes almost dull, but that’s exactly what makes them interesting.
There’s no grand conclusion. No attempt to sell a story. Just pilots, dates, angles, speeds, and signatures. In other words: raw material.
And that’s exactly what most conversations about unidentified objects lack. Less belief, less ridicule, more raw material.
Source: Box 7, Record Group 38, Incident Summaries 1–100, released May 8, 2026.