What number of U.S. Navy Vessel held the USS Hopping after Lieutenant Commander Hallsted L. Hopping was killed in action? 
USS Hopping (DE-155/APD-51): USS "Hopping" (DE-155/APD-51), a "Buckley"-class destroyer escort of the United States Navy, was named in honor of Lieutenant Commander Hallsted L. Hopping, commanding officer of Scouting Six, embarked on the USS Enterprise, killed in action during the February 1, 1942 Marshall Islands Raid. USS Enterprise (CV-6): USS "Enterprise" (CV-6), was the seventh U.S. Navy vessel to bear the name.
seventh