Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.<br>A:coast to aircraft operational communications<br>B:aircraft to ship operational communications<br>C:lock & bridge communications<br>D:aircraft to ship navigational communications

Channel 13 is primarily used for ship to ship communication. Channel 13 is also authorized for（）.
A:coast to aircraft operational communications
B:aircraft to ship operational communications
C:lock & bridge communications
D:aircraft to ship navigational communications

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