On 6 January 1942, "Tuscaloosa" steamed out of Hvalfjörður along with "Wichita" and two American destroyers— and —for a training mission through the Denmark Strait. After returning to port three days later, the heavy cruiser moved on to Boston for a navy yard overhaul from 8–20 February. She conducted refresher training out of Casco Bay and then underwent another brief refit at New York Harbor before joining Task Group 39.1 (TG 39.1), under the command of Rear Admiral John W. Wilcox, Jr., whose flag flew from the new battleship .