After securing from the search at 1503, "Anderson" remained with TF 14 until detached on 6 November. At 1637 on that same day, while steaming in company with "Hammann", "Anderson" sighted an unidentified ship which instituted radical course changes when she apparently sighted the two American destroyers. As "Hammann" parted company, "Anderson" investigated the stranger, finding her to be , steaming singly from Belfast, Northern Ireland, to Halifax, Nova Scotia. The destroyer then trailed the tanker for a time until securing from the effort at 2246.