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(subclass Rocket Aircraft) Transportation.kif 2599-2599 Rocket is a subclass of aircraft
(subclass Rocket Spacecraft) Mid-level-ontology.kif 16175-16175 Rocket is a subclass of spacecraft
(subclass Rocket Projectile) Mid-level-ontology.kif 20580-20580 Rocket is a subclass of projectile
(subclass RPG Rocket) MilitaryDevices.kif 1301-1301 RPG is a subclass of rocket

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