# INVISIBLE BATTLEGROUND, THE

Department of Defense PIN 22347 INVISIBLE BATTLEGROUND, THE EFFORTS AND FACILITIES AT ELECTRONIC ENVIRONMENTAL TEST FACILITY, FT. HUACHUCA, TO SOLVE RADIO INTERFERENCE PROBLEM OF THE FIELD ARMY.

- Kind: Educational
- Year: 1962
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.22347)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/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)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/gov.dod.dimoc.22347?play=1)