# PART 2 CONSTRUCTION

Department of Defense - Description: BASIC SUBMARINE SYSTEMS, DESCRIPTION OF THE PRESSURE HULLS, TANKS AND SUPER-STRUCTURE. - PIN 20558

- Kind: Educational
- Year: 1955
- By: Department of Defense
- Genres: Education
- Archive: [Internet Archive](https://archive.org/details/gov.dod.dimoc.20558)
- Licence or status: [CC0 1.0](http://creativecommons.org/publicdomain/zero/1.0/) (as the archive states it)
- Who can watch: Tweens 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.20558?play=1)