The Long March 4A is a Chinese rocket designed for launching satellites into orbit. It is part of the Long March family of launch vehicles, which are operated by the China National Space Administration (CNSA). The Long March 4A is primarily used for Earth observation and scientific missions. This rocket features a two-stage design and is capable of carrying payloads of up to 4,000 kilograms to low Earth orbit. It has been successfully launched multiple times since its first flight in 1999, contributing to various satellite programs, including those for remote sensing and environmental monitoring.