201014-F-FM924-1049
                U.S. Air Force Airman Jonathan Matczak, 60th Communications Squadron radio frequency transmission systems technician, replaces the giant voice system driver on a giant voice pole at Travis Air Force Base, California, Oct. 14, 2020. The giant voice system is a loud notification system used on military installations to immediately notify base residents and personnel of alerts or emergencies like natural disasters. (U.S. Air Force photo by Chustine Minoda)
                
                    
                        PHOTO BY:
                        Hun Chustine Minoda
                    
                    
                        VIRIN:
                        201014-F-FM924-1049.JPG
                    
                    
                        FULL SIZE:
                        1.01 MB
                    
                 
                
                
                        
                        
                            
                                
                                    CAMERA 
                                    NIKON D850
                                    LENS 
                                    70.0-200.0 mm f/2.8
                                    APERTURE
                                    4
                                 
                                
                                    SHUTTERSPEED
                                    1/1000
                                    ISO
                                    100
                                 
                             
                            No camera details available.
                         
                        
                            
                                IMAGE IS PUBLIC DOMAIN
                                
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                                    DoD image must be made in compliance with guidance found at
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