Faisi is located near Shortland Island and lies 18 miles northeast of the Treasury Islands.

In October, she completed preparations for operations in the Treasury Islands and Bougainville.

As Allied operations built up momentum, Kilty moved on to the Treasury Islands Campaign.

On that day, she moved to Blanche Harbor, Treasury Islands, and resumed her tender duties.

Then on 7 June, the PGM-3 departed for the Treasury Islands, arriving there the same day.

The brigade's only combat operation of the war came in October-November 1943, when it captured the Treasury Islands.

Varuna operated out of Green Island until 31 July, when she returned to the Treasury Islands for a 20-day stay.

She then put into Blanche Harbor, Treasury Islands, on 1 February.

Underway for the Treasury Islands on 24 August, Willmarth made radar contact with an unidentified ship at 02:00 on the 25th.

On the afternoon of the 5th, she was operating northwest of the Treasury Islands when she was attacked by enemy aircraft.