After returning the rescued aircrewmen to Emirau on the 22nd, she returned to sea that same day on her way back to Manus. From there, she continued her voyage toward Milne Bay on 24 September. On 26 September, she paused near Porlock and Cape Nelson to help , aground on Curtis Reef. While her boats assisted in the transfer of Army troops from the merchantman to the transport , "Witter" patrolled to seaward to protect against possible enemy submarine attack. On 27 September, she resumed her voyage and arrived in Milne Bay that same day.