She proceeded to Bougainville, where she joined in the invasion from 8 to 17 February, splashing a Japanese plane when air resistance developed. She returned to Bougainville with additional cargo from 6 to 11 March, and next operated off Emirau from 9 to 16 April in landings there. Cor Caroli continued to operate in the Solomons until 12 June, when she sailed for Eniwetok. After standing by in reserve during the invasion of Eniwetok, she sailed on with her cargo to Guam, where she participated in the assault from 27 July to 15 August.
