SFC Harry L. Ettmueller, USA, was the Chief Engineer at Hue, 1967-68. He was captured by the North Vietnamese during the TET ’68 offensive on February 5, 1968 and remained a POW until March 5, 1973.
I have not been able to find Harry’s obituary, which is what I would normally place here. In lieu of same, here are Bob Morecook’s and John Bagwell’s messages of February 14 & 15, 2020, notifying everyone of Harry’s passing. The are then followed by a number of other messages of condolence.

560th FTS honors Vietnam POWs at Freedom Flyer Reunion (Richard Bates, Gregg Hanson)
The 560th Flying Training Squadron honored three former Vietnam veterans during the 47th Annual Freedom Flyer Reunion at Joint Base San Antonio-Randolph March 25-26. The annual reunion allows Air Force combat pilots who were shot down in the Vietnam War, many suffering long periods in captivity as prisoners of war,

