Kostas Vrionis - Graduated technical vocational school. Graduate aviation engineer. Permanent member of the Greek Air Force, majoring in Aircraft Engineering from 26/6/2000 to the present. Highly qualified air and underwater drone pilot.
Kostas Vrionis - Graduated technical vocational school. Graduate aviation engineer. Permanent member of the Greek Air Force, majoring in Aircraft Engineering from 26/6/2000 to the present. Highly qualified air and underwater drone pilot.
