MOCK DRILL. Student volunteers carry an “injured” student towards the medical and command area during the 3rd Quarter Nationwide Simultaneous Earthquake Drill 2017 spearheaded by the Office of Civil Defense-Regional Disaster Risk Reduction and Management Council (OCD-NDRRMC) at the Davao City National High School (DCNHS) on Wednesday. DCNHS was chosen as the pilot area in Davao City. LEAN DAVAL JR.