On 15 July 1942, the squadron returned to Pearl Harbor and then was divided: "PT-21", "PT-23", "PT-25", and "PT-26" (along with motor torpedo boat tender "") were deployed to Palmyra Atoll; "PT-22", "PT-24", "PT-27", and "PT-28" were deployed to Adak Island in the Aleutians; while "PT-29" along with "PT-20", "PT-30", and "PT-42" remained at Pearl Harbor.