周五，老化的电信设备发生故障，导致全美机场起飞全面暂停。国土安全部长马克韦恩·马林表示，官员目前尚未发现网络攻击的证据，但也未排除这种可能。杰克·鲍纳尔报道。
US Transport Secretary asks Congress for $30 bn to upgrade aviation infrastructure Issued on: A failure in aging telecommunications equipment Friday forced a nationwide halt to departures from US airports. Homeland Security Secretary Markwayne Mullin says officials have found no evidence so far of a cyberattack, but that they're not ruling it out. Details by Jack Pownall. Jack Pownall