Air Force crews risked capture in RB-45C deep penetration flights
By Miriam Adler ·
Cold war communist countries were watched via deep penetration flights that operated in a grey zone of international law, paving the way for the U-2 and SR-71.
The US Army issued a design competition at the end of 1944 for a jet-powered bomber. This was not a leisurely pursuit of innovation; it was an urgent requirement precipitated by the discovery of secret documents and actual German jet aircraft captured during World War II. The result was a race to bridge a gap in the American defense posture, leading to the production of the North American B-45 Tornado and the Convair XB-46.
According to a program description mirrored by the Federation of American Scientists (FAS), the B-45 emerged as a critical tool for the Air Force. The public record establishes the B-45 Tornado as the first operational jet bomber to enter service with the United States Air Force and the first multiengine jet bomber capable of being refueled in midair. But the aircraft's legacy is less about the bombs it could carry and more about the eyes it provided.
1944 and the German Jets
The B-45 was born from the spoils of war, a direct response to German aeronautical breakthroughs. While it saw limited service with the Tactical Air Command in the 1950s, its true utility lay in its reconnaissance variants. These models, designated RB-45Cs, were assigned to the Strategic Air Command (SAC), turning a bomber into a spy.
This shift in utility reflects a broader pattern in military development: the repurposing of offensive weaponry for the sake of clandestine observation. The RB-45C was not merely a plane; it was the prototype for a philosophy of intrusion. The FAS record notes that the reconnaissance version of the B-45 became the "forerunner of the U-2 and SR-71 surveillance aircraft." The lineage is clear. Before we had the high-altitude ghosts of the 1960s, we had the Tornado.
Document imagery from irp.fas.org From the files: irp.fas.org
Yokota Air Base
On August 26, 1950, the first RB-45C was delivered to the 91st Strategic Reconnaissance Wing at Barksdale AFB, Louisiana. By November 16, 1950, the 91st Strategic Reconnaissance Squadron had moved to Yokota AB in Japan, absorbing the personnel and aircraft of the 31st Strategic Reconnaissance Squadron.
The timing of this arrival was not accidental. The RB-29s previously utilized by the 91st were no longer capable of performing their "special missions" with the "impunity" the Far East Air Force and Bomber Command required. The word impunity is telling. It suggests a world where the Air Force viewed the borders of other nations not as legal boundaries, but as obstacles to be overcome by superior speed.
To maintain this capability against the threat of Soviet-built MiG jets, Bomber Command took control of the RB-45 detachment on January 31, 1951. For several months, the crews of the RB-45 managed to outrun and outmaneuver the MiGs, operating in a grey zone of international law where the only real rule was the speed of the engine.
Deep Penetration
The FAS record explicitly states that the Tornado performed "classified, deep penetration photographic intelligence missions over many cold war communist countries." This is the language of violation. "Deep penetration" is a clinical term for the act of entering foreign airspace without permission to photograph what the inhabitants of that land did not want seen.
We know that other records regarding federal cybersecurity and disrupted elections exist within the NSArchive, and the US National Archives holds a vast array of technical reports under NAID 573964. Yet, the core of the RB-45's story is found in this specific transition: from a bomber meant to destroy to a reconnaissance platform meant to watch. The B-45 normalized the idea that the sky was a permissible place for espionage, provided the aircraft was fast enough to avoid capture.
April 9, 1951
The confidence of the Strategic Air Command was not absolute. The margin between a successful mission and a diplomatic disaster was measured in knots and altitude. On April 9, 1951, the reality of this risk manifested when one of the RB-45s "barely escaped a numerically far superior enemy."
The record does not name the pilot or the specific coordinates of the encounter, but it captures the moment the illusion of impunity vanished. The aircraft survived, but the vulnerability of the crew was laid bare. These men were the expendable vanguard of a surveillance state in its infancy, flying jets that were faster than the RB-29s but still slower than the evolving threats of the Cold War.
The RB-45C's tenure within the Strategic Air Command was remarkably short. While the inventory peaked at 38 aircraft in 1951, no B/RB-45 aircraft remained in the SAC inventory by 1953. The planes were shifted to other commands, their utility eclipsed by newer, more specialized tools of intrusion. By mid-1959, only one RC-45C remained in the entire Air Force inventory.