"Anderson" resumed operations in the Hawaiian area on 12 February, conducting such evolutions as depth charge practices, night battle practice runs, and gunnery drills, until returning to Pearl Harbor on 19 February. Underway again two days later she conducted more gunnery runs and damage control problems before returning to port that afternoon to provision from the storeship . Underway again on the morning of 22 February, "Anderson" patrolled off the entrance to Pearl Harbor and encountered a fishing craft trespassing in a security zone; lowering her motor whaleboat, "Anderson" investigated the craft and warned her owner to keep away from those waters. "Anderson" returned to Pearl Harbor the next morning, 23 February, before resuming the intensive schedule of operations with the other ships in her division that lasted through the end of February.