R2 helment
                        
                        
                        WRIGHT-PATTERSON AIR FORCE BASE, Ohio (AFPN) -- Dr. David Darkow explains the R2 helmet to Staff Sgt. Roman Lopez, who is assigned to the Air Combat Command Tactical Air Control Party.  The helmet is designed to increase a user's efficiency, effectiveness and situational awareness on the battlefield.  It includes audio, visual and computer-aided enhancements.  Darkow is assigned to the Air Force Research Laboratory's human effectiveness directorate here.  (U.S. Air Force photo by 2nd Lt. J. Elaine Hunnicutt)