Question: The USS "Phelps" along with the cruiser "Chester", escorted a vessel that served as the flagship for the commander of what?
Sentence (from "USS Phelps (DD-360)"): "Phelps" was laid down 2 January 1934 by Bethlehem Shipbuilding Corporation's Fore River Shipyard, Quincy, Massachusetts; launched 18 July 1935; sponsored by Mrs. Richard A. Kearny; and commissioned 26 February 1936, Commander Albert H. Rooks in command.
Relevant evidence: No