Space vehicle is a kind of tool and weapon for transporting materials and personnel, conveying energy and execution work in space. The war of 21st century is a Hi-Tech war to fight for the power over space control and information transmission. Space power means the control of information transmission, and therefore the victory of this war and quality of space vehicle is the key factor in determining Whether one has the power space in. China was developed space vehicle technology since 1956 After great efforts for half a century, it has already established certain foundation. China like U.S.A and Russia, has invested huge funds and manpower in developing space science and technology. China hopes to improve military strength, drive the development of relevant industries and economy, and increase national competitiveness and overall strength through the development in space vehicle science and technology, and further conquer this expects to new high land of space. This paper aims at studying the development, capabilities, restrictions, and breakthroughs the space vehicle technology of China in terms of China¡¦s position on the control over space and its strategic intention in developing space vehicles. This paper reveals the direction of space vehicle development in China and suggests measures for maintaining Taiwan security. It will help to provide a relevant background for the future study of space vehicle development in China.

The main objective of this thesis is to introduce the reader to the problematics of air-launch and to a custom design solution applying this concept. The specifics of this method of bringing a payload into orbit are described and explained. Overview of projects which use aircraft to launch spacecraft is included. Determination of primary parameters of a launch vehicle designed to carry a payload of a specified mass is conducted. The required flight performance has been estimated, a computational model has been developed in software MATLAB, and a multidisciplinary optimization of the design parameters has been performed using a genetic algorithm optimization method. Parameters of the designed air-launched rocket are compared with those of a ground-launched rocket. According to the specific criteria, the Airbus A310-300 aircraft was selected as the most suitable transport aircraft to be used for launching the designed launch vehicle. The last part of the thesis is devoted to the proposal of necessary modifications and estimation of the flight performance.