国防部本周宣布，根据这份合同，ITT将帮助伊拉克信号排以及情报、监视和侦察排提高指挥和控制能力。
Under the contract, ITT will help boost command and control capabilities for Iraqi signal platoons and intelligence, surveillance and reconnaissance battalions, the Defense Department said this week.
船员们与任务指挥中心间的任何通讯都会有20分钟的延迟，以模拟信号到达地球所需的时间。
Any communication between the crew and mission control will be subject to 20-minute delay to simulate the time it would take for signals to reach Earth.
交通信号包括交通信号灯、交通标志、交通标线和交通警察的指挥。
Traffic signals include traffic signal lamps, traffic signs, traffic line markings and the command of traffic policeman.
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