根据新闻中Rescue workers will be the first to use it with other services可知这个新的卫星航空系统的首批 使用者为急救队员。

【听力原文】
The European Union has announced that its satellite navigation system Galileo will start operating in 2014. Rescue workers will be the first to use it with other services rolled out over the following years. Mark Gregory reports. The Galileo project is already way over budget in several years late. Two years ago, it was nearly scrapped, but now the first commercial contract has been announced, a clear signal that Europe' s alternative to the American GPS satellite locating network will go ahead.