# Vulnerability to covert attack

This film describes the vulnerability of population centers to covert biological warfare, identifying ways in which nerve gas or other agents could be unleashed on a populated area.

- Kind: Short
- Year: 1959
- Runtime: 24 min
- By: U.S. Army Chemical Corps
- Archive: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Vulnerability_to_covert_attack.webm)
- Licence or status: Public domain (as the archive states it)
- Credit: U.S. Army Chemical Corps
- 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/commons/67790120?play=1)