In May 1963, "Pinnacle" again deployed to the Mediterranean and into 1970 regularly rotated between duty with the 6th Fleet, local operations and training exercises off the east coast, and extended deployment with amphibious forces in the Caribbean. "Pinnacle" participated in the recovery effort of the Palomares Incident in early 1966. "Pinnacle" was the first ship to locate the missing hydrogen bomb after making sonar contact.