Pickup truck and r-7 rocket: what they have in common

1. Step 1. Pickup truck — is a kind of — Truck. A light truck.
2. Step 2. Truck — is part of — Multiple rocket launcher. On a truck chassis.
3. Step 3. Multiple rocket launcher — uses — Solid rocket motor. Rockets.
4. Step 4. Solid rocket motor — is part of — Intercontinental ballistic missile. Solid-fuel ICBMs.
5. Step 5. Intercontinental ballistic missile — includes — R-7 rocket. The R-7 was designed as an ICBM.

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