An icebreaker displaying a flag hoist which consists of the code letters "WO" (Whiskey Oscar) is indicating that __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — icebreaker support is finished
Standard maritime icebreaker communication codes utilize the International Code of Signals flag hoist 'WO' (Whiskey Oscar) specifically to officially signal convoy escorts that icebreaker support operations have formally concluded.
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