Fletcher Class
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Unit Commendations

World War II

O’Bannon earned 17 bronze service stars on her Asiatic-Pacific Campaign Ribbon, the leading total among all American destroyers in World War II. The following list includes actions—indicated in italics—in which O’Bannon participated but for which she was not separately credited:
1 Star CAPTURE AND DEFENSE OF GUADALCANAL
12 November 1942–19 January 1943.
1 Star GUADALCANAL
Third Strike, 12–15 November 1942 (Naval Battle of Guadalcanal).
1 Star RENNELL ISLAND
29–30 January 1943.
1 Star CONSOLIDATION OF SOUTHERN SOLOMONS
5 March–16 June 1943.
1 Star ANTISUBMARINE OPERATIONS
4 April 1943.
1 Star NEW GEORGIA GROUP OPERATION
New Georgia, Rendova, Vangunu occupation, 4–5 July 1943.
Kula Gulf action, 5–6 July 1943. (Battle of Kula Gulf).
Kolombangara action, 12–13 July 1943 (Battle of Kolombangara).
Vella Lavella occupation, 15–18 August 1943.
Action off Vella Lavella, 6–7 October 1943 (Battle of Vella Lavella).
1 Star HOLLANDIA OPERATION
Aitape—Humboldt Bay—Tanahmerah Bay: 21 April–1 May 1944
1 Star ESCORT/ANTI-SUBMARINE OPERATIONS, TASK GROUP 30.4
22 May–15 June 1944.
— CONSOLIDATION OF NORTHERN SOLOMONS
15 June–28 August 1944.
1 Star WESTERN NEW GUINEA OPERATIONS
Morotai landings: 15 September 1944.
1 Star LEYTE OPERATION
Leyte landings: 18–31 October 1944.
Ormoc Bay landings, 7–8 December 1944.
1 Star LUZON OPERATION
Mindoro landings, 12–18 December 1944.
Lingayen Gulf landing, 4–18 January 1945.
1 Star ANTISUBMARINE OPERATIONS, 31 January 1945.
1 Star MANILA BAY–BICOL OPERATION
Mariveles–Corregidor, 14–28 February 1945.
1 Star CONSOLIDATION OF SOUTHERN PHILIPPINES
Palawan Islands landings, 28 February–1 March 1945.
— MANILA BAY–BICOL OPERATION
El Fraile (Fort Drum), Manila Bay, 13 April 1945.
Carabao Island, Manila Bay, 16 April 1945.
1 Star BORNEO OPERATIONS
Tarakan Island operation, 27 April–5 May 1945.
1 Star OKINAWA OPERATION
Raids in support of Okinawa Gunto operation: 28 May–15 June 1945.
1 Star THIRD FLEET OPERATIONS AGAINST JAPAN
10 July–15 August 1945.

Korean War

O’Bannon earned 3 bronze service stars on her Korean Service Ribbon as follows:
1 Star SECOND KOREAN WINTER, 1951–52
2 December 1951–2 April 1952.
1 Star KOREAN DEFENSE, SUMMER-FALL 1952
28 May–7 June 1952.
1 Star KOREA, SUMMER-FALL 1953
20 May–27 July 1953.