current model debuted with a trip by President Donald Trump to New York City on September 24, 2018. Road & Track reported that "the design appears to be a simple evolution of the old model with more current Cadillac design cues, like an Escalade sedan." Road & Track described the state car as "massive and tall", and weighing . NBC News reported a weight of 20,000 pounds and the capacity to seat seven, and speculated that the limousine was intended to evoke the aesthetic of the Cadillac XT6. Business Insider reported in 2019 that the Beast is actually built upon a GM truck chassis. Car and Driver said that the car was built on the GMC TopKick platform, weighs as much as 15,000 pounds, has the headlamps from the Cadillac Escalade, and the grille emblematic of the Cadillac Escala concept car. In addition to defensive measures designed to protect the president, this state car also has stores of blood in the president's type for medical emergencies. The car is hermetically sealed against fluid attacks, and features run-flat tires, night-vision devices, smoke screens, and oil slicks as defensive measures against attackers. NBC reported that the car features armor made of aluminum, ceramic, and steel; the exterior walls have a thickness of , the windows are multi-layered and thick, and each door—believed to weigh as much as those on a Boeing 757—can electrify its handles to prevent entry. , the current model was used alongside the previous model. Destruction In the late 20th-century, it was customary for the United States Secret Service to participate in the destruction of the presidential state car after it had run its course. The federal agents use bullets and explosive rounds for two purposes. The first is to demonstrate the automobile's effectiveness against such weaponry, while the second is to shred the vehicle and destroy the secrets of its manufacture, armoring, and defensive abilities. Presidential motorcades Motorcades involving the presidential state car are detailed, involved operations. Motorcades under President George W. Bush involved up to two dozen cars; under President Barack Obama they constituted 30 other vehicles. The Obama presidential motorcade included many other vehicles than the official presidential state car. Involved were police cars to lead the motorcade and clear the streets; sport utility vehicles to carry the United States Secret Service detail, electronic countermeasures, key staff, a counter-assault team, "hazardous-materials-mitigation" personnel and equipment, and White