translation.en: Recently, the FBI arrested an al Qaeda affiliate in the United States, who was planning on using these remote-controlled drone aircraft to fly C4 explosives into government buildings in the United States.
translation.zh: 最近，美国联邦调查局逮捕了 一位潜于美国的基地组织成员， 他正计划利用这些远程遥控的 无人驾驶飞机携带C4炸药 飞入美国的政府大楼。