191210-M-QP496-1081 CAMP LEJEUNE, N.C. (Dec. 10, 2019) Lt. Jarrett Darrah, right, and Hospital Corpsman 3rd Class Kyuyong Byun with 2nd Dental Battalion, 2nd Marine Logistics Group, ask a patient pre-examination questions during an Authorized Dental Allowance List (ADAL) on Camp Lejeune, North Carolina, Dec. 10, 2019. Sailors from 2nd Dental Battalion participated in ADAL to practice expeditionary dentistry in a field environment. (U.S. Marine Corps photo Cpl. Scott Jenkins/Released)