# Operation Doorstep

Operation Doorstep Covers: 1953–1953 Description This film documents Operation Doorstep, a civil defense study of the effect of a 16-kiloton nuclear bomb detonated 300 feet above the ground on wood frame houses, automobiles, underground shelters, and manikins at varying distances. The test was conducted in Nevada in conjunction with Operation Upshot/Knothole Annie.

- Kind: Educational
- Year: 1953
- By: National Archives
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/el-mp16-137_2Mbps)
- Licence or status: none stated by the archive
- Who can watch: Teens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/el-mp16-137_2Mbps?play=1)