Operation Military_operation Harpoon ( the Battle of Pantelleria ) was one of two simultaneous Allied convoys sent Sending to supply Supply Malta in the Axis-dominated central Mediterranean Sea in mid-June 1942 , during the Second World War .

Operation Vigorous was a westward convoy from Alexandria ; Operation Harpoon was an eastbound convoy operation from Gibraltar .

Two of the six ships in the Harpoon convoy completed Process_end the journey , at the cost Cost of several Allied warships .