A) Utah B) Arizona C) California D) Nevada
A) 1961 B) 1955 C) 1947 D) 1973
A) Hot air balloons B) Commercial drones C) Stealth aircraft D) Passenger jets
A) Las Vegas B) Ely C) Reno D) Rachel
A) The year it was built B) The area number on a map C) A code for aliens D) The number of employees
A) Weather balloons B) Military helicopters C) Unidentified flying objects D) Commercial airliners
A) Nuclear research B) Civilian aviation C) Tourist attractions D) Testing spy planes
A) Extraterrestrial technology B) Agricultural biotechnology C) Meteorological research D) Oceanographic studies |