High Quality Content by WIKIPEDIA articles! An F-100 fighter jet pilot, Jack Clapper flew sorties as part of the Misty FAC (forward air controller) program in the Vietnam War. Misty`s primary mission was to fly F-100s at low altitudes and locate enemy targets along the Ho Chi Minh trail in Laos. There were 155 pilots assigned to fly the Misty between June 1967 and May 1970. Of the 155 Mistys, 34 were shot down. Clapper was shot down during an early morning Misty sortie and was at the center of a daring and dangerous day long rescue mission, after which he received a Purple Heart. He is also a leading attorney in litigation concerning mesothelioma.