“发现”号航天飞机由于跟踪与数据中继卫星问题,飞行被一再拖延,由于发射场事故,又使这架航天飞机遭到损坏。为此,航宇局长贝格斯已经向航天飞机、肯尼迪空间中心和跟踪与数据中继卫星的高级管理人员发出了警告。在三月八日的事故中,一个2,500磅的工作平台从一起重机系统上落下,致使一名工人受伤,而且还损坏了“发现”号航天飞机。经调查 The space shuttle Discovery was repeatedly delayed by tracking and data relay satellite problems and the space shuttle was damaged as a result of a launch site accident. To this end, Aerospace Director Begos has issued a warning to the space shuttle, the Kennedy Space Center and senior managers of tracking and data relay satellites. In the March 8 incident, a 2,500-pound work platform fell from a heavy machine system, injuring one worker and damaging the space shuttle Discovery. After investigation