Arthur Trudeau
Lieutenant General Arthur G. Trudeau (1902–1991) was a U.S. Army officer who served as Chief of Army Research and Development (1958–1962) and is identified by Philip Corso in The Day After Roswell as the general who directed Corso to distribute recovered Roswell materials to defense contractors for reverse engineering — making Trudeau the highest-ranking named military officer in any first-person account of an institutionalized ET reverse engineering program.
Military career
Trudeau's military record spans three major conflicts and multiple senior intelligence and science-policy positions. He served in World War II and Korea, rising to command positions in both theaters. Following Korea, he served as the Army's chief intelligence officer — Assistant Chief of Staff for Intelligence (G-2) — making him one of the most senior intelligence figures in the U.S. Army at the height of the Cold War. His career is independently documented in Army records and in the Army's own oral history program, for which Trudeau was one of the first eight officers selected for interview, reflecting his stature within the institution.
Philip Corso, who knew Trudeau personally across multiple decades, described him as a man of extraordinary character: "He went to Chop Hill with two stars. He was a division commander. He put on the sergeant's helmet and followed his men. That's the type of man he was. And also very religious — he went to retreats at Loyola. One of the most brilliant men I ever knew in my life."
Removal and reinstatement
A key episode in Trudeau's career — verified by Corso and corroborated by congressional records — was his removal from the position of Army Chief of Staff Intelligence in circumstances rooted in conflict with the CIA. Corso, who was then at the White House on the Operations Coordinating Board, had obtained classified National Intelligence Estimates and brought them to Trudeau, discovering that CIA estimates on the Soviet threat were based on ideology rather than military intelligence. When Trudeau confronted CIA Director Allen Dulles over a missing estimate — producing a copy from his briefcase in the same meeting where Dulles denied the estimate's existence — the resulting political conflict led to Trudeau's removal from his intelligence post on manufactured pretexts.
Senators Strom Thurmond, Everett Dirksen, John McClellan, and William Knowland — whom Corso personally contacted — applied sufficient pressure to restore Trudeau to the Army, with the Secretary of the Army directing his return. Trudeau was subsequently promoted to Lieutenant General and placed in charge of Army Research and Development — the exact position from which, according to according to Corso, the Roswell materials distribution program was subsequently run. A Polish defector named Michael Goleniewski reportedly told Corso that Trudeau was regarded by Soviet leadership as "the most dangerous man in the American Army."
Role in the Roswell reverse-engineering program
According to Corso, Trudeau gave him a file of items recovered at Roswell shortly after Corso joined the Army R&D division in 1961. Trudeau allegedly directed Corso to act as a shepherd — distributing components to contractors with expertise to back-engineer them — without revealing the origin of the materials. The distribution reportedly seeded technologies including integrated circuits, fiber optics, night vision, and Kevlar into the American defense industrial base over the subsequent decade. Trudeau is described as having had a prior briefing on the Roswell materials' origin from Army intelligence sources.
Corso's description of Trudeau's assignment of the Roswell file was corroborated in structure — if not specifics — by investigator John Alexander, who spent a week in Washington checking Corso's credentials before the Art Bell interview. Alexander stated that Trudeau was "a legend" in Army military history, that Corso had indeed attended Trudeau's oral history sessions at the Army War College, and that the two men had remained close personal friends through retirement: "Here it is 20 years after they both retired and they still remained very close friends."
The only order Trudeau gave Corso upon Corso's return from Germany, according to Corso, was: "Phil, watch things for me. The rest don't understand." — understood by Corso to mean the inner workings of the U.S. government and the nature of the Roswell material.
Military record
Trudeau's actual military record includes significant Cold War intelligence and policy roles: he headed the Foreign Liaison Division, the Office of Intelligence (G-2), and Army R&D successively. He served in World War II, Korea, and the early Cold War period. His career is independently documented in Army records; Corso's specific claims about the Roswell file distribution cannot be independently verified but Trudeau's position gave him the access Corso describes.
Vallée's independent corroboration
Jacques Vallée, in a 2020 appearance on The Joe Rogan Experience alongside James Fox, independently corroborated the core of according to Corso: "Corso was someone I respect and admire. Revealed that he was in charge for the army of getting — he got a lot of them and somebody gave him a cardboard box literally full of stuff that came from places like Roswell." Vallée recounted that he had spent two days with Corso in Las Vegas at the invitation of Robert Bigelow, interviewing him for the science board of Bigelow Aerospace, and that Corso had shared information "not in his book" during private conversations. Vallée also stated that the published English edition of The Day After Roswell had been "censored by the publisher" — Corso had been given 24 hours to check the proof, "didn't check everything," and key material was missing, though it survived in translations published in Italy and other countries by Paola Harris. Fox separately confirmed on the same episode that he had interviewed Corso on camera in 1997 in Roswell, where Corso described the recovered materials including "little pen like things that turned out to be lasers" and "filament stringy stuff that was later to be determined to be fiber optics."