July 21, 1921 (June 17), yau, Mitchell confirmed that the bomb can sink the warship from the air. U.S. Air Force Zhunjiangbili Mitchell


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in 1921, the U.S. Air Force Brigadier General William - Mitchell and his flying partners, in today's military trial The aircraft made a convincing performances destructive power. Six 2,000-pound bomb, they used only 25 minutes it sank the former German battleship "Oswald Vernon Graceland number.
many naval officers had Mitchell's point of view, the aircraft can sink no matter how sturdy equipped warships through sarcasm. They said that the ship "Oscar Vernon Graceland" only to sink the naval cannon. Mitchell and his flight crew this morning takeoff from Virginia's Langley airport directly with 1000 pounds of bombs completely destroyed the three goals. Afternoon, came the victory of the message: line 6 Martin bomber flew 100 miles to reach the Oscar Vernon Graceland "parked on the Virginia coast, they vote with 2,000 pounds of bombs in the side of the ship battleship Ship junction suddenly exploded, then sank. One observer said: "A bomb cast out, the world will hear. (L $ dj��.��r��) "