On 21 July, the Macdonough patrolled the waters off Guam to protect the assault craft from enemy submarines, continuing that role until departing for Hawaii on 10 August. After a day at Pearl Harbor, she departed for the Admiralty Islands.
on 21 july the macdonough patrolled the waters off guam to protect the assault craft from enemy submarines continuing that role until departing for hawaii on 10 august after a day at pearl harbor she departed for the admiralty islands