The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C3S. Pumping from tanks in the vicinity of the damage have proven ineffective. Your best countermeasure is to __________.

Correct Answer: Option C — counterflood in 1P

Counterflooding symmetrically opposite compartments creates an opposing heeling and trimming moment to mitigate excessive lists caused by unsymmetrical flooding, adhering to emergency damage control principles outlined in the MODU operations manual.