World War II

Gwin earned four bronze service stars on her Asiatic-Pacific Campaign Ribbon as follows:
1 Star IWO JIMA OPERATION
Bombardment of Iwo Jima: 24 January 1945.
1 Star OKINAWA OPERATION
Assault and occupation of Okinawa: 1 April–30 June 1945.
1 Star THIRD FLEET OPERATIONS AGAINST JAPAN
5–31 July 1945.
1 Star MINESWEEPING OPERATIONS PACIFIC
“Skagway” (East China Sea–Ryukyus area): [September–October] 1945.