Hewitt-Sperry Automatic Airplane and Lawrence Sperry decided that he would be the test pilot. While taxiing it on ice, he hit some slushy snow, and wrecked the plane, though Sperry was unhurt. A second airplane was fitted out, and Sperry managed to get it in the air, but lost control when the automatic pilot was engaged. After two complete rolls, Sperry managed to regain control and land safely. Clearly, though, more attention to flight testing the basic design was needed, particularly in the area of handling qualities. Sperry and his assistant, N. W. Dalton, obtained a Marmon automobile, and mounted the Curtiss-Sperry Flying
Memorial of the War to Resist US Aggression and Aid Korea Memorial of the War to Resist US Aggression and Aid Korea The Memorial of the War to Resist US Aggression and Aid Korea (), also translated as the Korean War Museum, is a museum in Dandong, Liaoning. It is the only official museum in China that memorializes the Korean War (called the "War to Resist US Aggression and Aid Korea" in China). First established in 1958, it was rebuilt at its current location in October 1990. The new museum was opened on 27 July 1993, the 40th anniversary of the Panmunjom armistice. Since 2014 it has been closed for refurbishment.