The amount of work to simplify the Raptor engine, introducing secondary flow channels and adding regenerative cooling for exposed components, has been staggering. As a result, the Raptor 3 requires no heat shield, which reduces mass, eliminates the complexity of the heat shield, and the fire suppression system. It is also lighter, has more thrust, and higher efficiency than the Raptor 2. Mass prod

Polar lights, stars and a meteor are the main characters of the video. The 17-meter Canadarm2 robotic arm is also constantly in the frame