c. us should polish each part
B or C I am not sure
But that’s gonna help you
I think you should use a comma instead of a colon. I am unsure of the question but I hope this helps.
Answer:
The navigator's primary responsibility is to be aware of ship or aircraft position at all times. ... The navigator is in charge of maintaining the aircraft or ship's nautical charts, nautical publications, and navigational equipment, and they generally have responsibility for meteorological equipment and communications.
In naval occupations
