Cracking 1950s documentary on various tiffy trades - ERA, EA, REA, etc. - in the Royal Navy.

Scenes include HMS Fisguard (stone frigate - artificer training), HMS Illustrious (aircraft carrier), HMS Roebuck (Type 15 A/S frigate), HMS Sanguine (S-class submarine), and HMS Hornet (stone frigate - coastal forces base).

Official British government film. Uploaded as "fair use."