Miles died from a heart attack at his home in Boise on October 26, l997 at the age of 63. He was a jumper from 1953 through 1961. Miles worked with the CIA on a part-time basis later moving to full-time and retiring from the agency in l973. He, along with other smokejumpers, is mentioned in the January 1998 article in the "Air and Space/Smithsonian" magazine in an article titled "Secret Mission to Tibet". These night flights were conducted in support of the Tibetan revolution against the Red Chinese.

Miles jumped at McCall 1953-61.