A bullet shattered his wrist , and the arm was later amputated to stop infection .
During the Battle of Shiloh , on April 6 , 1862 , Powell gave a command to fire by raising his hand .
A bullet shattered Powell 's wrist , and the arm was later amputated to stop infection .
During the Battle of Shiloh , on April 6 , 1862 , Powell gave a command to fire by raising his hand .