Heermann, 9 January 1945.

World War II

Heermann earned nine bronze service stars on her Asiatic-Pacific Campaign Ribbon as follows:
1 Star GILBERT ISLANDS OPERATION
20 November–2 December 1943.
1 Star MARSHALL ISLANDS OPERATION
Occupation of Kwajalein and Majuro Atolls: 31 January–8 February 1944.
Occupation of Eniwetok Atoll: 17 February–2 March 1944.
1 Star SPECIAL OPERATIONS
Task Group 30.4: 22 May–15 June 1944.
1 Star WESTERN CAROLINE ISLANDS OPERATION
Capture and occupation of South Palau Islands: 6 September–14 October 1944.
1 Star LEYTE OPERATION
Leyte landings: 24 October–19 November 1944.
1 Star IWO JIMA OPERATION
Assault and occupation of Iwo Jima: 15 February–1 March 1945.
Fifth Fleet raids against Honshu and the Nansei Shoto: 25 February–1 March 1945.
1 Star OKINAWA OPERATION
Raids in support of Okinawa Gunto operation: 17 March–11 June 1945.
1 Star ANTISUBMARINE OPERATIONS
17 April 1945.
1 Star THIRD FLEET OPERATIONS AGAINST JAPAN
10 July–15 August 1945.