Afghanistan The Eyes Have It June 08, 2012 Share Read Later Army photo / Sgt. Michael J. MacLeodA paratrooper with the 82nd Airborne Division's 1st Brigade Combat Team uses a Handheld Interagency Identity Detection Equipment -- HIIDE -- to scan the iris of a villager May 29 in Ghazni Province, Afghanistan. The system stores unique information -- kind of like fingerprints -- that the U.S. military uses to determine if the eye being scanned belongs to friend or foe.