Orbital Access Systems refer to the technologies and methods used to transport payloads into orbit around the Earth. These systems are crucial for launching satellites, conducting scientific research, and enabling space exploration. They encompass a variety of launch vehicles, including rockets and spaceplanes, designed to overcome Earth's gravitational pull. The development of Orbital Access Systems has evolved significantly over the years, with advancements in reusable rocket technology and commercial spaceflight. Companies like SpaceX and Blue Origin are at the forefront of this innovation, making space more accessible and affordable for both governmental and private entities.