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A comment on Why Did a U.S. Destroyer Fail to Dodge a Cargo Ship?. Parent comment

Re:Why Did a U.S. Destroyer Fail to Dodge a Cargo Ship? by Amezarak on Saturday June 24, 2017 @01:53PM (#14626614)
> 7) Allegedly AEGIS radar systems are often tuned to filter out surface traffic so they can be more accurate at picking up air traffic.

They have separate surface search / navigation radars installed. According to Wikipedia, this particular ship had two.

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Re:Why Did a U.S. Destroyer Fail to Dodge a Cargo Ship? by mjlee on Saturday June 24, 2017 @02:00PM (#14626647)
Practically all ships above a certain size have at least two radars solely for anticollision/navigation.
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