MARINE CORPS BASE CAMP LEJEUNE, N.C. (Sept. 10, 2007)- Lt. Col. Dave Barnes, the officer in charge of the Transition Team Cell, II Marine Expeditionary Force Headquarters Group, II MEF, speaks to Marines, soldiers, sailors and civilian and government scientist about missions, roles and capability needs of transition teams in Iraq during the II MEF Science and Technology conference at Marston Pavilion here Sept. 10. (Official U.S. Marine Corps photo by Cpl. Lucian Friel (RELEASED) - MARINE CORPS BASE CAMP LEJEUNE, N.C. (Sept. 10, 2007)- Lt. Col. Dave Barnes, the officer in charge of the Transition Team Cell, II Marine Expeditionary Force Headquarters Group, II MEF, speaks to Marines, soldiers, sailors and civilian and government scientist about missions, roles and capability needs of transition teams in Iraq during the II MEF Science and Technology conference at Marston Pavilion here Sept. 10. (Official U.S. Marine Corps photo by Cpl. Lucian Friel (RELEASED)