Captain Clayton Lee Adamkavicius, 43, Louisville, Jefferson County, Kentucky, was mortally wounded on 21 April 2006 by small arms fire while investigating an anti-coalition weapons cache discovered near Dihrawud district, Uruzghan Province, Afghanistan.

Adamkavicius, a native of California, joined the U. S. Air Force in 1986 serving as an enlisted airman in both Guam and at Nellis Air Force Base (AFB) in Las Vegas. He left the Air Force after five years. In 1990 he joined the Nevada National Guard as an E4 and later applied for Officer Candidate School and was pinned as a Second Lieutenant in 1992. He relocated to Louisville and joined the Kentucky Army National Guard in 1999, and was assigned to Headquarters Company, 149th Brigade in Louisville. Adamkavicius was on his third operational deployment with the Kentucky Army National Guard. His first deployment was to Eastern Europe in 2003 where he served as Commander of Headquarters and Headquarters Company, 2nd Battalion, 123rd Armor, in support of Operation Joint Forge at Eagle Base, Tuzla, Bosnia-Herzegovina. In a subsequent deployment to Bosnia in 2004, he served with Headquarters Company, 149th Brigade (Louisville). Adamkavicius was assigned to help train Afghan soldiers when he was killed.