# Operation Greenhouse

Listed at the National Archives as " Operation Greenhouse, 1952 " but Operation Greenhouse was in 1951. No National Archives description. AEC " 16mm film combined catalog " description: "Operation Greenhouse: Produced by the USAEC and the Lookout Mountain Air Force Station, USAF. For sale by DuArt Film Laboratories, at $79.67 per print. This nontechnical film, for intermediate through college-level audiences, describes joint USAEC and Department of Defense scientific and technical operations during proof-testing of weapons at the USAEC Pacific Proving Grounds during spring 1951. It shows the effects of blast and heat on structures, aircraft, and various other items used by the Department of Defense and Federal Civil Defense Administration." National Archives Identifier: 88211 source file isn't in the greatest shape.

- Kind: Short
- Year: 1952
- Runtime: 21 min
- By: Lookout Mountain Air Force Station
- Genres: War
- Archive: [Internet Archive](https://archive.org/details/OperationGreenhouse)
- Licence or status: [Public Domain Mark 1.0](http://creativecommons.org/publicdomain/mark/1.0/) (as the archive states it)
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

Not offered: its uploader marks it public domain, and the US Copyright Office's records do not settle that it is (a record that may be another film's, a film first published abroad, a year when renewal was automatic, or a country they do not name). Unclear is not offered.