''The Type 22 radar was one of the first radars to be used aboard warships.<br>Primarily tasked for air search, it can also be used for surface search.<br>While this can be used in conjunction with the Type 13, the Type 21 is basically used aboard larger warships.
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''This is the first practical ship-borne radar.<br>Primarily tasked for air search, it can also be used for surface search.<br>While it could be used in conjunction with the Type 13 radar, the Type 21 was basically used aboard larger warships.