Australian Army Capt. James Tarpley, Dingo 6, Tactical Training Exercise Control Group came to the Combat Center to aid TTECG in assessing Integrated Training Exercise. He is one of six Austrailian soldiers at the Combat Center. - Australian Army Capt. James Tarpley, Dingo 6, Tactical Training Exercise Control Group came to the Combat Center to aid TTECG in assessing Integrated Training Exercise. He is one of six Austrailian soldiers at the Combat Center.