I retired from the U.S. Air Force after serving 26 years as a fighter pilot.  After that, I served another 15 years as a high school Air Force Junior ROTC instructor. My military service included two tours in Vietnam and combat action in Operation Desert Storm, where I served as the commander of the unit that flew the Fii7A stealth fighter.

But my latest battle came in February 2013, when, at age 67, I received a prostate...