Robert Opie Lindsay served in the US Navy in World Wars I and II, and was awarded the Distinguished Service Cross which is the second highest military award.
Lieutenant (later Colonel) Robert Opie Lindsay (25 December 1894 - 1 August 1952) was an American World War I flying ace credited with six aerial victories in the closing days of the war. He returned to duty during World War II; at one point he commanded Fort Sill, Oklahoma. Distinguished Service Cross The Distinguished Service Cross is the United States Army's (and formerly the United States Air Force's) second highest military award for extreme gallantry and risk of life in actual combat with an armed enemy force. 
