Equipped with the latest electronic listening devices, Georgetown sailed for shakedown at Guantanamo Bay, Cuba, on 21 January 1964. She was reclassified AGTR-2 on 1 April 1964 and began her operational service on 13 April.
Outfitted with the most recent electronic listening equipment, Georgetown set sail for a shakedown cruise at Guantanamo Bay, Cuba, on January 21, 1964. She was reclassified as an AGTR-2 vessel on April 1 and started her operational duties on April 13.