自本世纪50年代第一颗人造地球卫星发射成功以来,迄今,世界上共有8个国家利用自制的运载火箭发射了近5000个航天器,在这些航天器中,军用航天器和部分为军事服务的航天器约占70％。近半个世纪以来,军用航天器包括军用卫星、天基武器和执行军事使命的载人航天器大致经历了以下的发展过程。军用卫星的发展 To date, since the launch of the first man-made Earth satellite in the 1950s, a total of eight countries have so far launched nearly 5,000 spacecraft using self-made launch vehicles, of which military spacecraft and partly military services About 70% of the spacecraft. For almost half a century, military spacecraft, including military satellites, space-based weapons and manned spacecraft carrying out military missions have undergone the following development. Military satellite development