Who commissioned the second USS "Rockport" SP-738 in the center of summer tourist activity? 
USS Rockport (SP-738):  Commissioned 16 February 1918, Ens. Charles W. Farmer, USNRF, in command, "Ajax" was renamed" Rockport" 20 February 1918. Boothbay, Maine:  The Boothbay region is a center of summer tourist activity, and a significant part of its population does not live there year-round.
i don't know