The Battle of Hollandia was an engagement between Allies of World War II and Japanese forces during World War II. The majority of the Allied force was provided by the United States, with the bulk of two United States Army infantry divisions being committed on the ground. Air and naval support consisted largely of U.S. assets, although Australia also provided air support during preliminary operations and a naval bombardment force.

HMS Shropshire was a Royal Navy (RN) heavy cruiser of the London sub-class of County-class cruisers. She is the only warship to have been named after Shropshire, England. Completed in 1929, Shropshire served with the RN until 1942, when she was transferred to the Royal Australian Navy (RAN) following the loss of sister ship HMAS Canberra. Commissioned as HMAS Shropshire, the ship remained in RAN service until 1949, and was sold for scrap in 1954.