Question: What was the duration of the war that was in progress when the USS McAnn first served in the Atlantic Ocean?
Sentence (from "USS South Dakota (BB-57)"): During World War II, the battleship first served a tour in the Pacific theater, where it fought in two battles in 1942 that earned the ship and its crew a Navy Unit Commendation before returning to New York in December 1942 for an overhaul and battle repairs.
Relevant evidence: No