Rocket stage and submarine: what they have in common

1. Step 1. Rocket stage — is part of — Saturn V. Three stages: S-IC, S-II, S-IVB.
2. Step 2. Saturn V — evolved from — V-2 rocket. Von Braun went from the V-2 to the Saturn.
3. Step 3. V-2 rocket — has part — Gyroscope. A gyroscopic guidance system.
4. Step 4. Gyroscope — is part of — Torpedo. Obry’s gyroscope keeps the course.
5. Step 5. Torpedo — is part of — Submarine. Torpedo armament.

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