Rotating gun mount and diesel engine: what they have in common

1. Step 1. Rotating gun mount — is part of — Anti-aircraft gun. All-round traverse.
2. Step 2. Anti-aircraft gun — uses — Radar. Radar guidance.
3. Step 3. Radar — works like — Sonar. The same echolocation principle: sound in water instead of radio waves.
4. Step 4. Sonar — is part of — Submarine. Underwater acoustics.
5. Step 5. Submarine — has part — Diesel engine. Diesel-electric submarines.

Open Evothings