"Japara" was one of twenty-one KPM vessels that took refuge in Australian ports after the fall of Java that Dutch officials requested be put into service for the war effort. The ship, among others, was chartered by the Chief Quartermaster, U.S. Army Forces in Australia (USAFIA) on 26 March 1942 with long term details to be negotiated at higher levels to become part of the U.S. Army's local fleet crewed by its KPM officers and men with an Army local fleet number of X-18 being assigned until released from the fleet May 1945.