An Army reservist from Waianae has been killed in the Middle East, the Department of Defense confirmed today. Cameron B. Sarno, 43, was a Staff Seargent with the Las Vegas-based 257th Transportation Company, which is in the region as part of Operation Iraqi Freedom. According to the department, Sarno was hit by a truck on Sept. 1 while changing his vehicle's tire in Kuwait City. To date, there have been 336 confirmed coalition deaths in the war, 287 of them Americans identified by the Department of Defense.