Keywords: TDN-1 assault drone strikes target during tests in Delaware Bay in January 1943.jpg A U S Navy Naval Aircraft Factory TDN-1 assault drone explodes as it strikes its target during radio controlled experiments in Delaware Bay USA in January 1943 Official U S Navy photo http //www history navy mil/our-collections/photography/numerical-list-of-images/nara-series/80-g/80-G-380000/80-G-387206 html 80-G-387206 from the U S Navy http //www history navy mil Naval History and Heritage Command 1943-01 U S Navy PD-USGov-Military-Navy Naval Aircraft Factory TDN |