▁ 1 0 , ▁ 1 9 1 8 , ▁and ▁following ▁his ▁quick ▁promotion ▁to ▁corpor al , ▁he ▁was ▁attached ▁to ▁the ▁School ▁of ▁Application ▁for ▁officer ▁training . ▁Mc Kit tr ick ▁was ▁commission ed ▁second ▁lieutenant ▁in ▁the ▁Marine ▁Corps ▁Reserve ▁on ▁December ▁ 1 6 , ▁ 1 9 1 8 , ▁and ▁subsequently ▁assigned ▁as ▁line ▁officer ▁to ▁ 1 5 th ▁Marine ▁Regiment ▁at ▁Marine ▁Bar ra cks ▁Quant ico . ▁The ▁ 1 5 th ▁Mar ines ▁were ▁assigned ▁to ▁the ▁ 2 nd ▁Pro vis ional ▁Marine ▁Brigade ▁under ▁Brig ad ier ▁General ▁Log an ▁Fel and ▁and ▁sa iled ▁for ▁Santo ▁Dom ingo ▁in ▁February ▁ 1 9 1 9 . ▁He ▁saw ▁some ▁action ▁during ▁the ▁comb ats ▁against ▁Domin ican ▁reb els ▁and ▁finally ▁was ▁ordered ▁back ▁to ▁United ▁States ▁in ▁October ▁ 1 9 2 1 . ▁ ▁Upon ▁his ▁return ▁from ▁his ▁first ▁expedition ary ▁duty , ▁he ▁was ▁transferred ▁to ▁the ▁Marine ▁bar ra cks ▁at ▁Naval ▁Station ▁Key ▁West , ▁Florida . ▁After ▁nine ▁months ▁of ▁service ▁there , ▁im pressed ▁by ▁the ▁A viation ▁units , ▁Mc Kit tr ick ▁applied ▁for ▁the ▁pilot ▁training ▁in ▁July ▁ 1 9 2 2 . ▁He ▁was ▁assigned ▁as ▁Student ▁Naval ▁av i ator ▁to ▁the ▁pilot ▁training ▁at ▁Naval ▁Air ▁Station ▁P ens ac ola , ▁Florida ▁and ▁finally ▁received ▁his ▁wings ▁in ▁February ▁ 1 9 2 3 . ▁ ▁His ▁first ▁av iation ▁duty ▁was