APstar-1 satellite has been successfully placed into the predetermined orbit by the LM-3 launch vehicle.For the fulfillment of this launch service,technical modifications have been made on the launch
This paper briefly reviewsthe development and characteris-tics of China’s Long Marchlaunch vehicle family and thendescribes its future developmentplan and idea
The paper describes the new pressurization system for the upper stage of launch vehicles and spacecraft and the flight test results of the vehicle which conform