 In November 1964, "Wandank" conducted a survey of the Solomon Islands in a joint project sponsored by the University of Hawaii's Institute of Geophysics and the Office of Naval Research; during the course of this operation, she measured the earth's gravity in the area.In July 1966, "Wandank" rendezvoused with Japanese merchantman "Yeiji Maru", which had been experiencing engine trouble, and escorted the distressed ship to Guam.Later that year, she towed SS "Old Westbury" to a safe haven, relieving auxiliary ocean tug USS "Sunnadin" (ATA-197), which had run low on fuel on 11 November 1966.