In April, a Soyuz capsule landed 420 km off course after explosive bolts failed to detonate before re-entry, sending the craft into a steep descent.

• 今年4月，“联盟号”飞船返回舱在进入地球大气层之前因爆炸螺栓未能引爆，最后在偏离预定着陆点420公里的地方惊险着陆。