Dr. FRANK BUTLER, Ex-SEAL: Battlefield medical techniques needed for civilian shootings USA TODAY NE

PENSACOLA, Fla. — An eye surgeon and former Navy SEAL who helped transform battlefield medicine is on the front line of a national push to save the lives of civilians targeted in mass shootings and terror attacks.

Frank Butler, 67, of Pensacola was the command surgeon for U.S. special operations when American forces entered Afghanistan after the 9/11 terrorist attacks. Because of his work, all American soldiers deployed in war zones today carry tourniquets as part of their standard-issue equipment — a move credited with saving hundreds of lives. Read more by clicking here.