"sgt. curtis f. shoup" was withdrawn from service and stripped of oceanographic equipment on 20 december 1969. on 22 january 1970, she was returned to the maritime administration and laid up in the national defense reserve fleet at suisun bay, california. "sgt. curtis f. shoup" was struck from the navy list on 28 april 1970. on 9 may 1973, she was sold to mr. john liu of washington, d.c., for non-transportation purposes.