A U.S. Navy nuclear-powered attack submarine, under heavy escort, has arrived back at its home port of Guam after a fata美国旧金山号核动力攻击潜艇在发生致命事故以后，在严密的护航之下返回在关岛的基地。
It is also noteworthy that no fatal accident was recorded in approximate 10 year's construction work.特别值得提出的是，在约十年的建设期内该桥没有发生一起重大工程事故。