Across
- 2. A vessel used to transport goods or people by water.
- 4. A branch of military services that conduct operations at sea
- 9. an armed warship designed to operate submerged in the sea for long periods of time
- 11. Airplane, Helicopter, machine capable of flight.
Down
- 1. A person in authority over troops/military
- 3. invading a country/region with armed forces
- 5. Two armed forces fighting
- 6. projectile used to attack a target, coming from aircrafts, or submarines
- 7. operating in the air
- 8. a person operating the controls of an aircraft
- 10. Large body of salt water, covering most of earth's surface