200731-F-AZ553-0124
                Secretary of the Air Force Barbara M. Barrett, left, Air Force Chief of Staff David L. Goldfein and Mrs. Dawn Goldfein pose with a representation of an etching that is now displayed on the Wall of Valor at the Air Force Memorial during a ceremony at Joint Base Anacostia-Bolling, Washington, D.C., July 31, 2020. The ceremony unveiled a new etching for the memorial's Wall of Valor at the Air Force Memorial that reads, "This is our sacred duty. When protecting Soldiers, Sailors, Airmen and Marines, we fly to the sound of the guns … or we die trying." (U.S. Air Force photo by Wayne Clark)
                
                    
                        PHOTO BY:
                        Wayne Clark
                    
                    
                        VIRIN:
                        200731-F-AZ553-0124.JPG
                    
                    
                        FULL SIZE:
                        1.55 MB
                    
                 
                
                
                        
                        
                            
                                
                                    CAMERA 
                                    NIKON D5
                                    LENS 
                                    N/A
                                    APERTURE
                                    56/10
                                 
                                
                                    SHUTTERSPEED
                                    10/2000
                                    ISO
                                    3200
                                 
                             
                            No camera details available.
                         
                        
                            
                                IMAGE IS PUBLIC DOMAIN
                                
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                                    This photograph is considered public domain and has been cleared for release.
                                    If you would like to republish please give the photographer appropriate credit.
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                                    DoD image must be made in compliance with guidance found at
                                    https://www.dimoc.mil/resources/limitations,
                                    which pertains to intellectual property restrictions (e.g., copyright and
                                    trademark, including the use of official emblems, insignia, names and slogans), warnings
                                    regarding use of images of identifiable personnel, appearance of endorsement, and related matters.