Capp died January 5, 2016, in Abilene, Texas, of heart failure. He graduated from the University of Montana with a degree in Geology in 1954. Capp earned an MBA from George Washington University in 1966.

Capp went into the Air Force where he served as a pilot for 21 years.

Capp flew B-52s and later, C-103s in Vietnam. He flew 922 combat sorties and 1402 combat hours while in Vietnam. Capp jumped at Cave Junction 1951-54.