To counter Mitchell , the Navy had sunk the old battleship Indiana near Tangier Island , Virginia , on November 1 , 1920 , using its own airplanes .
The Navy reluctantly agreed to the demonstration after news leaked of its own tests .
To counter Mitchell , the Navy had sunk the old battleship Indiana near Tangier Island , Virginia , on November 1 , 1920 , using Navy 's own airplanes .
The Navy reluctantly agreed to the demonstration after news leaked of its own tests .