Lt. j.g. Kristie Tatum, 40, from Benson, Ariz., an en route care nurse with Camp Taqaddum Surgical, 1st Maintenance Battalion (-) (Reinforced), 1st Marine Logistics Group, helps adjust a simulated patient during a mass casualty drill, Nov. 20. The drill required the staff to treat multiple patients with a variety of simulated wounds, testing their ability to react in a timely manner to situations they might encounter in a combat environment.