The Atlantic Star was awarded to commemorate the Battle of the Atlantic between 3 September 1939 and 8 May 1945. It was designed primarily for convoys and their escorts and anti-submarine forces, as well as for crews of fast merchant ships that sailed alone. Awarded for six months service afloat, in the Navy, the Merchant Navy and by Army and Air Force personnel serving on HM Ships, in the Atlantic and Home Waters. Awarded to aircrew who have taken part in operations against the enemy at sea within the qualifying areas for Naval personnel, subject to two months service in an operational unit after earning the 1939-1945 Star. Qualifying dates are 3 September 1939 to 8 May 1945.