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4月 7日 ,俄罗斯的质子号 M/微风运载火箭在拜科努尔发射场首飞成功。火箭携带了 M- 18电视中继卫星。质子号 M使用的是数字飞行控制系统和新的微风 M氢氧上面级。第 1级发动机推力增大到 90 0 t以上。运载火箭可以将 5 40 0kg的有效载荷送到地球同步转移轨道 ,并且将成为国际
On April 7, Russia’s Proton M / Breeze carrier rocket successfully made its first flight at the Baikonur launch site. The rocket carries the M-18 television relay satellite. The Proton M uses a digital flight control system and a new Breeze M-Hydroxy top level. Level 1 engine thrust increased to more than 90 0 t. The launch vehicle can deliver 5 40 kg of payload to the Earth’s geosynchronous orbit and will become an international