Lighting up the sky
                TYNDALL AIR FORCE BASE, Fla. -- A 500-pound explosive detonates at the Air Force Research Laboratory/Detachment 2 Sky X range here. The purpose of the experiment was to validate the blast protection provided by various earth and water-filled barriers, as well as evaluate two building walls in the experiment. (U.S. Air Force photo by Lisa Norman)
                
                    
                        PHOTO BY:
                        Lisa Norman
                    
                    
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                        060807-F-7766N-002.JPG
                    
                    
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