Dropping down the west coast to San Francisco, arriving on 12 December 1945, "Duplin" loaded cargo for occupation forces in Japan, and sailed three days after Christmas (28 December 1945) on her final run to the Far East. Touching at Sasebo (15–24 January 1946) and Yokosuka (26 January-7 February). Returning to San Francisco on 20 February, she loaded cargo (including eight LCM-3 landing craft), and ultimately departed Oakland, California, on 6 March for the east coast. During her passage Norfolk-ward, she embarked a USO troupe in the Canal Zone (14–18 March).