This is one of the 20mm Cannon Shells fired by Mosquito II DD612, flown by my father (Group Captain R G Slade) on the night of 22-8-1942. My father and his navigator shot down a Dornier 217 E-4 U5 ...

The tests of a railgun developed by scientists of the United Institute of High Temperatures at the Russian Academy of ... during the electromagnetic cannon’s trials at the practice range of ...