space

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Across
  1. 3. A powered heavier-than-air aircraft with fixed wings from which the aircraft derives most of its lift.
  2. 5. Robotic aircraft, used extensively by the military.
  3. 8. Engineer Design machines that fly.
  4. 9. A vehicle, missile, or aircraft which obtains thrust by the reaction to the ejection of fast moving exhaust from within a rocket engine.
  5. 10. To set or thrust in motion.
Down
  1. 1. A short, easily-remembered slogan, verse, or tune.
  2. 2. The study of forces and the resulting motion of objects through the air.
  3. 4. A power-driven aircraft kept buoyant by a body of gas (usually helium) which is lighter than air.
  4. 6. A type of aircraft deriving both lift and propulsion from one or two sets of horizontally revolving rotors.
  5. 7. A large bag filled with hot air or gas to make it rise in the air, with a basket for passengers hanging from it.