She arrived back in the Gulf of Tonkin on 7 November and spent the next six days serving as plane guard for the aircraft carrier . On 13 November, the warship cleared Vietnamese waters. She stopped at Subic Bay from 15 to 18 November and then embarked on the long voyage home. After a brief fuel stop at Guam and a three-day liberty call at San Francisco, California, "Biddle" arrived in the Canal Zone on 16 December. She completed the canal transit on the 17th and shaped a course for Norfolk. Upon her arrival in Norfolk on 21 December, her crew began a combination post-deployment and holiday standdown.