USS Relief (YP-2)
 The third USS Relief (YP-2) was a lookout station tender that served in the United States Navy from 1917 to 1921.Relief was a wooden private motorboat built during 1910 at Yarmouth Maine. Ensign Walter G. Richardson purchased her for the U.S. Navy for World War I service on 13 June 1917 with funds furnished by the Bar Harbor War Relief Committee of Bar Harbor Maine for use as a tender to the lookout station at Crumple Island Maine.