Spc. James Baker, a communications specialist assigned to the 593rd Sustainment Brigade, Joint Base Lewis-McChord, Wash., tests the ability of a laptop to provide secure data encryption from a General Dynamics C4 Systems display, June 14, at the annual Information Technology Expo at JBLM. The Expo showcases the latest technology and equipment so service members and Department of Defense civilians can stay up-to-date with and potentially obtain the current trends in information technology.