Under 46 CFR §185.520, how often must a required rescue boat be launched with its assigned crew and maneuvered in the water as if during an actual man overboard situation?

1. A. Once each week, if reasonable and practicable
2. ✓ Once each month, if reasonable and practicable, but at least once within a 3-month period before getting underway with passengersCorrect
3. C. Once each month without exception
4. D. At least once within a 6-month period before the vessel gets underway with passengers