Keywords: USS Norris (DD-859) drops depth charges in April 1950.jpg The U S Navy destroyer USS Norris DD-859 drops depth charges in a demonstration of antisubmarine warfare ASW for the U S Secretary of the Navy Francis P Matthews who was embarked in the aircraft carrier USS Philippine Sea CV-47 on 27 April 1950 Official U S Navy photo http //www history navy mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/80-G-439000/80-G-439861 html 80-G-439861 from the U S Navy http //www history navy mil Naval History and Heritage Command 1950-04-27 U S Navy PD-USGov-Military-Navy USS Norris DD-859 Depth charge explosions |