Long March 2D(LM-2D) is a 2-stage liquid rocket with propellant at normal temperature. The rocket is 42.184m long, with a max diameter of 3.35m, takeoff weight of 232t, take off trust of 2916.6KN and carrying capacity at low-earth orbit of 4000kg. This rocket has the biggest carrying capacity among 2-stage launch vehicles with normal temperature propellant. It was launched for the first time on Aug 9th, 1992, and successfully put a new recoverable scientific satellite into the preset orbit. Since then, it managed to put several other recoverable satellites into orbit. LM-2D has successfully accomplished all missions till now.