At Frankfurt, Germany, Fritz von Opel travels just over a mile in the world’s first flight of a rocket-powered airplane. The Rak-1 tops 85 mph but crashes.
Defense Secretary Lloyd J. Austin III hosted his second Ukraine Defense Contact Group meeting in a virtual format May 23, drawing 47 nations that back Ukraine’s fight against Russia but leaving questions about when the war might end. New coastal defense systems and more artillery, armor, and tanks were highlighted…