World War II

Monssen earned four bronze service stars on her Asiatic-Pacific Campaign Ribbon during World War II as follows:
1 Star GUADALCANAL-TULAGI LANDINGS
7–9 August 1942.
1 Star EASTERN SOLOMONS — STEWART ISLAND
23–25 August 1942.
1 Star CAPTURE AND DEFENSE OF GUADALCANAL
18 September 1942–12 November 1942.
1 Star GUADALCANAL — THIRD STRIKE
12–15 November 1942.