Serving on board the USS Wyalusing and participating in a plan to destroy the rebel ram Albemarle in Roanoke River, 25 May 1864. Volunteering for the hazardous mission, Lloyd participated in the transfer of two torpedoes across an island swamp. Serving as boatkeeper, he aided in rescuing others of the party who had been detected before the plan could be completed, but who escaped, leaving detection of the plan impossible. By his skill and courage, Lloyd succeeded in returning to the mother ship after spending 24 hours of discomfort in the rain and swamp.