From left, Seth Foley, Emerson Network Power account manager, and Mark Miller, Unistar-Sparco account manager, explain the uses of a keyboard, video and mouse switch to U.S. Army Sgt. Maj. Michael Matt, 93rd Signal Brigade transitioning operations sergeant major of training, during a technology exposition at Fort Eustis, Va., Nov. 14, 2013. The companies presented the KVM switches to military and government personnel as part of the three-day expo, visiting Langley Air Force Base, Fort Eustis and Naval Weapons Station Yorktown. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released) (No federal endorsement of vendors implied)