 Complete the following phrase:  As Commander of USMARCENT, Neller oversaw the worst loss of U.S. airpower in a single incident since the Vietnam War Nellers assignments in the operating forces include: Rifle and Weapons Platoon Commander and Company Commander with Company L, 3rd Battalion, 4th Marines, 3rd Marine Division; Commanding Officer, Company A, 1st Battalion, 1st Marines; Commanding Officer, 3rd Light Armored Infantry Battalion LAI and Commanding Officer, 6th Marine Regiment from 10 July 1998 to 6 July 2000. While with 3rd LAI he participated in Operation Restore Hope in Somalia. As the Commanding Officer, Marine Corps Security Force Company, Panama, he participated in 