The Long March 2D is a Chinese expendable launch vehicle designed to carry payloads into low Earth orbit. It is part of the Long March family of rockets, which are used for various space missions, including satellite launches and crewed spaceflights. The 2D variant is known for its reliability and has been in service since 1992. This rocket typically uses a combination of liquid rocket fuels and features a two-stage design. It can deliver payloads of up to 3,800 kilograms to low Earth orbit, making it suitable for launching communication satellites and scientific instruments into space.