Lt. Col. Brendan Casey, 346th test squadron commander, talks with Daniel Terdiman, CNET News senior writer, at Joint Base San Antonio-Lackland, Texas on July 26, 2014. In the background, Staff Sgt. Michael Downs, a 346th TS emissions security technician, scans the frequency range searching for any unintended emissions coming off of the target laptop while Wayne Jackson, 346th TS, looks on providing technical assistance. The 346th TS performs emissions security tests as part of the mission assurance assessment necessary for aircraft to return to the field after undergoing modifications. (U.S. Air Force photo/Minnie L. Jones)