“…The parachute recovery method has experienced tremendous growth due to its advantages of the high reliability, low risk, and high technology maturity. Ever since 1980s, the parachute recovery of the RLV had many success cases, such as the Kistler Aerospace 1 company's K-1 carrier rocket recovery, 2 the recovery of the largescale Russian "energy" rocket, the recovery of the "Arian 5 00 booster, 3,4 and the recovery of the pilot launch of the "Ares I-X" launch vehicle in the United States. 5,6 However, despite of the above, the precision landing capability of the parachute recovery is very limited.…”