Radio navigation and aeroplane: what they have in common

1. Step 1. Radio navigation — evolved into — GPS (satellite navigation). Satellite radio navigation.
2. Step 2. GPS (satellite navigation) — is part of — Reusable rocket. Navigation during landing.
3. Step 3. Reusable rocket — includes — Space Shuttle. The Shuttle was the first reusable spacecraft: it landed like a plane.
4. Step 4. Space Shuttle — has part — Wing. It landed like a glider.
5. Step 5. Wing — is part of — Aeroplane. A wing.

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