Presidential transportation refers to the various modes of travel used by the President of the United States. The most notable vehicle is the Presidential limousine, often referred to as "The Beast," which is heavily armored for security. Additionally, the President travels by Air Force One, a specially modified aircraft that ensures safe and secure air travel. Other forms of transportation include Marine One, the helicopter used for short trips, and official trains for specific events. Each mode of transportation is equipped with advanced communication systems and security features to protect the President and facilitate official duties while on the move.