ighter ▁Wing ▁and ▁was ▁responsible ▁for ▁the ▁conversion ▁of ▁the ▁wing ▁to ▁F - 1 0 4 ▁Star fig h ter ▁aircraft . ▁ ▁In ▁August ▁ 1 9 5 9 , ▁he ▁entered ▁the ▁Army ▁War ▁College ▁in ▁Carl is le ▁Bar ra cks , ▁Pennsylvania ., ▁and ▁after ▁gradu ation ▁in ▁June ▁ 1 9 6 0 ▁was ▁assigned ▁to ▁the ▁Ar med ▁Forces ▁Staff ▁College ▁in ▁Nor folk , ▁Virginia , ▁where ▁he ▁served ▁on ▁the ▁fac ulty ▁until ▁June ▁ 1 9 6 4 . ▁ ▁General ▁Evans ▁next ▁was ▁transferred ▁to ▁W heel us ▁Air ▁Base , ▁Lib ya , ▁and ▁served ▁as ▁deput y ▁for ▁operations ▁and ▁later ▁as ▁vice ▁commander ▁of ▁the ▁ 7 2 7 2 d ▁F lying ▁Training ▁Wing , ▁the ▁weapons ▁training ▁center ▁for ▁the ▁United ▁States ▁Air ▁Forces ▁in ▁Europe . ▁ ▁He ▁volunte ered ▁for ▁S out heast ▁Asia ▁duty ▁in ▁ 1 9 6 6 ▁and ▁was ▁transferred ▁to ▁the ▁Republic ▁of ▁Vietnam ▁in ▁May ▁ 1 9 6 7 ▁as ▁vice ▁commander , ▁and ▁later ▁was ▁commander ▁of ▁the ▁ 3 1 st ▁T act ical ▁F ighter ▁Wing ▁at ▁T uy ▁Ho a ▁Air ▁Base . ▁Before ▁returning ▁to ▁the ▁United ▁States ▁in ▁May ▁ 1 9 6 8 , ▁he ▁completed ▁ 2 7 8 ▁combat ▁miss ions ▁in ▁the ▁F - 1 0 0 ▁Super ▁Sab re ▁aircraft . ▁ ▁In ▁June ▁ 1 9 6 8 , ▁Evans ▁was ▁assigned ▁as ▁assistant ▁deput y