 She returned to Yokosuka, Japan, on 28 June for an in-port period which ended on 19 July with a three-week transit to Subic Bay with the "Midway" task group.Having detached from task group operations and traveled to Buckner Bay, Okinawa, "Worden" commenced "Missilex 4–78" on the morning of 1 August.Due to three successive unsuccessful launch attempts by the Japanese antiaircraft training ship "Azuma", the exercise was canceled, and "Worden" headed back to Subic Bay, Philippines, and a week of upkeep.