Lance Cpl. Davide Perna , a 20-year-old fire team leader, with 3rd Platoon, Bravo Company, 1st Battalion, 3rd Marine Regiment, renders a salute in front of the memorial of Lance Cpl. Jacob A. Meinert, during a memorial ceremony at Forward Operating Base Spin Ghar, Jan. 20. Meinert, 20, from Fort Atkinson, Wis., was killed, Jan. 10 while conducting combat operations in Afghanistan's Helmand province.