Dr. Kano, who was Japanese and known as the Founder of Modern Judo was first to devise many of the concepts that are the foundation of modern martial arts. Dr. Kano devised the colored belt system as a visible sign of a student's progress, awarding the first black belts in the 1880s.
The Airtrain (name based on the model file), also known as Aeroplane (name based on the texture file) or Air Train (name based on in-game name), is a passenger airplane that appears in Grand Theft Auto III, Grand Theft Auto: Vice City, Grand Theft Auto: Liberty City Stories, Grand Theft Auto: Vice City Stories and Grand Theft Auto: Chinatown Wars.
Air Masses. An air mass is a large body of air with generally uniform temperature and humidity. The area from which an air mass originates is called a source region. Air mass source regions range from extensive snow covered polar areas to deserts to tropical oceans.