A HUSHED, dimmed hall in the nerve centre that controls America's air operations from Somalia to Afghanistan is dominated by giant video screens tracking coalition aircraft.
The pilot checks his tracking display, sees an incoming aircraft and sends the plane into a dive.
飞行员查看了跟踪显示屏，发现了一架靠近的飞机，他赶紧做俯冲。
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The radar provides the helicopter with long-range search, imaging and tracking of surface vessels, a periscope detection mode, and the IFF to identify other aircraft in flight.