World War II

Gwin earned five bronze service stars on her Asiatic-Pacific Campaign Ribbon as follows:
1 Star MIDWAY
3–6 June 1943.
1 Star GUADALCANAL-TULAGI LANDINGS
7–9 August 1942.
1 Star CAPTURE AND DEFENSE OF GUADALCANAL
13 October 1942.
1 Star GUADALCANAL — THIRD STRIKE
12–15 November 1942.
1 Star NEW GEORGIA GROUP OPERATION
New Georgia-Rendova-Vangunu occupation: 30 June 1943.
Kolombangara action: 12–13 July 1943.