Ret. Air Force Col. Tim McNish and his spouse Yona, with (Ret.) U.S. Air Force Maj. Gen. Dr. Byron C. Hepburn

From left: (Ret.) Air Force Col. Tim McNish and his spouse Yona, with (Ret.) U.S. Air Force Maj. Gen. Dr. Byron C. Hepburn, director of the Military Health Institute. Photo by Robert Rivard.

From left: (Ret.) Air Force Col. Tim McNish and his spouse Yona, with (Ret.) U.S. Air Force Maj. Gen. Dr. Byron C. Hepburn, director of the Military Health Institute at UT Health Science Center-San Antonio. Photo by Robert Rivard.

From left: (Ret.) Air Force Col. Tim McNish and his spouse Yona, with (Ret.) U.S. Air Force Maj. Gen. Dr. Byron C. Hepburn, director of the Military Health Institute. Photo by Robert Rivard.