 Many of those serving with Sparrow Force were also captured.After this, the half-strength unit was reinforced and rebuilt in Darwin, where the unit remained until January 1943, continuing to support the 23rd Brigade.After being relieved by the 2/13th Field Ambulance, the 2/12th moved to the Wollongong–Illawarra area, to support the 9th Brigade while more personnel were posted into the unit from the 1st Division's medical units to bring it up to full strength.