西德政府将投资建造一架超音速航天飞机。研究部将拿出它的航天研究预算的7％用于该计划。这架命名“桑格”(Sanger)的二级飞机将以水平方式起飞;它通过进气而使氢燃料燃烧,从而以5—6倍声速的速度飞行。飞机背部有一只载货舱。假如它只是载货的话,就称它为“货舱”;假如它还要载人的话,将称它为“太阳神”。2000年将制出样机, The West German government will invest in a supersonic space shuttle. The research department will come up with 7% of its space research budget for the program. The second aircraft, named Sanger, will take off horizontally; it burns the hydrogen fuel through the intake air to fly at 5-6 times the speed of sound. There is a cargo hold on the back of the aircraft. If it is only loaded, it is called a “cargo hold”; if it is to be carried, it will be called the “sun god.” In 2000 will produce a prototype,