Question: Who commissioned the second USS "Rockport" SP-738 in the center of summer tourist activity? 
Sentence (from "USS Rockport (SP-738)"): The second USS "Rockport" SP-738 was built during 1917 and 1918 by Adams Shipbuilding Co., East Boothbay, Maine, as the wooden scientific research vessel "Ajax" for service in Labrador waters and acquired 2 October 1917 for U.S. Navy service from A. Fabbri of New York City, while still under construction.
Relevant evidence: No