Soldiers with the 3rd Expeditionary Sustainment Command, working with civilians with HDT expeditionary systems group, upgraded DRASH generator systems Mar. 14 at the 3rd ESC's motor pool.A total of 8 DRASH generator systems were upgraded, 6 medium and two large DRASH systems. The upgrade converted the systems from analog to digital system, with the main advantages to upgrading the DRASH systems capability to share power between the DRASH generator systems, and increasing the ease of use for the operator.