This official film report documents activities carried out in the spring of 1951 for Operation Greenhouse at Eniwetok Atoll in the Central Pacific. The footage and narration detail the organization of Joint Task Force 3, comprising 8,500 personnel drawn from the Atomic Energy Commission, its contractors, educational and industrial laboratories, and the Army, Navy, and Air Force. Lieutenant General Elwood Quesada of the United States Air Force and Dr. Alvin C. Graves of the Los Alamos Scientific Laboratory, serving as Deputy Commander and Scientific Director, are introduced. The visual sequence presents life and facilities in Los Alamos, the weapons-testing J Division operated for the AEC by the University of California, followed by aerial views of Eniwetok, control room switchboards, low-flying helicopters, tank silhouettes, security checkpoints, and countdown dials.
Running for 23 minutes, the material is hosted on Wikimedia Commons under the title Nuclear Test Film - Operation Greenhouse and belongs to the public domain, with no production entity or author declared. The footage shows the operational development taking place three years after Operation Sandstone in 1948 across the United States trust territory of Eniwetok Atoll.
Official administrative context for military support in these tests is preserved in Record Group 374 at the United States National Archives, covering the Armed Forces Special Weapons Project (AFSWP). Placed under the National Military Establishment in 1947 and subsequently under the Department of Defense in 1949, the agency maintained records through the Weapons Effects Division Analysis Branch and Radiation Branch, compiling data on atomic weapons effects and radiological defense procedures from 1950 to 1953.
The film serves as primary visual evidence of the coordination among academic research, industrial contractors, and military forces during early Cold War nuclear tests, preserving technical procedures and site operations as they were executed in 1951.

