(5) Navy, Marine Corps, and Coast Guard personnel, who
served on the following vessels operating in actual or potential
belligerent contact with the Axis forces in the Atlantic Ocean
between the dates set below the ship in
the table below are authorized to wear upon the American Defense
Service Medal service ribbon, a bronze letter "A"
in lieu of the bronze star. Such letter shall be one-fourth inch
in height and shall be worn centered on the ribbon. When the "A"
is worn, no star shall be worn upon the ribbon (Executive Order
No. 8808 of 28 June 1941; Navy Department General Order No. 172
of 20 April 1942).
[Vessels and dates to be added]
Source: 1948, 1953 U.S. Navy Awards Manual
23 May 2000