World War II

Lansdowne earned twelve bronze service stars during World War II: three on her European-African-Middle Eastern Campaign Ribbon and nine on her Asiatic-Pacific Campaign Ribbon as follows:
1 Star ESCORT/ANTISUBMARINE OPERATIONS
3 July 1942.
1 Star ESCORT/ANTISUBMARINE OPERATIONS
12 July 1942.
1 Star ESCORT/ANTISUBMARINE OPERATIONS
13 July 1942.
1 Star ALEUTIANS OPERATION
Attu occupation: 25 May–2 June 1943.
1 Star TREASURY-BOUGAINVILLE OPERATION
Buka-Bonis strike: 1–2 November 1943.
First Rabaul strike: 5 November 1943.
Second Rabaul strike: 11 November 1943.
Occupation and defense of Cape Torokina: 30 November–5 December November 1943.
1 Star CONSOLIDATION OF NORTHERN SOLOMONS
27 December 1943–13 January 1944.
1 Star BISMARCK ARCHIPELAGO OPERATION
Green Islands landing: 15–19 February 1944.
Bombardments of Kavieng and Rabaul: 18 February 1944.
Antishipping sweeps — Bombard Kavieng: 21–25 February 1944.
1 Star ASIATIC-PACIFIC RAIDS
Palau–Yap–Ulithi–Woleai Raid: 30 March–1 April 1944.
1 Star MARIANA ISLANDS OPERATION
Capture and occupation of Saipan: 11–24 June 1944.
First Bonin Islands raid: 15–16 June 1944.
Battle of the Philippine Sea: 19–20 June 1944.
Capture and occupation of Guam: 12–15 August 1944.
1 Star TINIAN CAPTURE AND OCCUPATION
20 July–10 August 1944.
1 Star OKINAWA OPERATION
Assault and occupation of Okinawa: 8 May–16 June 1945.
1 Star THIRD FLEET OPERATIONS AGAINST JAPAN
10 July–15 August 1945.