skos:altLabel | - ramjets
- GIRD-04 ramjet engine
- Ramjet#Air turboramjet
- Ramjet#Integral_rocket_ramjet.2Fducted_rocket
- Ramjet#Soviet Union and Russia
- Rocket-ramjet
- ramjet
- ramjet engine
- ramjet engines
- ramjet-rocket propulsion system
- rocket-ramjet
- solid-fueled integral rocket/ramjet
- supersonic ramjet
- turbo-ramjet
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