Douglas_Mackiernan
Douglas Seymour Mackiernan (April 25, 1913 – April 29, 1950) was the first officer of the Central Intelligence Agency (CIA) to be killed in the line of duty.
United States Army Air Forces colonels
Douglas Seymour Mackiernan (April 25, 1913 – April 29, 1950) was the first officer of the Central Intelligence Agency (CIA) to be killed in the line of duty.