World War II

Frank Knox earned one bronze service star as DD 742 on her Asiatic-Pacific Campaign Ribbon as follows:
1 Star THIRD FLEET OPERATIONS AGAINST JAPAN
10 July–15 August 1945.

Korean War

Frank Knox earned five bronze service stars as DDR 742 on her Korean Service Ribbon as follows:
1 Star NORTH KOREAN AGGRESSION 1950
18 July–3 October 1950.
1 Star INCHON LANDING 1950
13–17 September 1950.
1 Star COMMUNIST CHINA AGGRESSION 1951
6 November 1950–19 January 1951.
1 Star FIRST U.S. COUNTER OFFENSIVE 1951
25 January–22 March 1951.
1 Star KOREAN DEFENSE, SUMMER-FALL 1952
17 May–29 October June 1952.