ments ▁in ▁support ▁of ▁Operation ▁Ira qi ▁Fre edom , ▁most ▁recently ▁serving ▁as ▁the ▁Sur geon ▁for ▁both ▁Multi - National ▁Force - I ra q ▁and ▁Multi - National ▁Corps - I ra q . ▁After ▁his ▁last ▁deployment , ▁he ▁served ▁as ▁the ▁Command ing ▁General ▁for ▁Great ▁Pla ins ▁Regional ▁Medical ▁Command ▁( R MC ). ▁Following ▁USA ME D COM ▁re organ ization , ▁he ▁commanded ▁both ▁Southern ▁R MC ▁and ▁Bro oke ▁A MC , ▁at ▁Fort ▁Sam ▁Houston , ▁Texas . ▁Car aval ho ▁served ▁as ▁Command ing ▁General , ▁Northern ▁R MC , ▁Fort ▁Bel voir , ▁Virginia . ▁He ▁next ▁served ▁as ▁Command ing ▁General , ▁U . S . ▁Army ▁Medical ▁Research ▁and ▁M ater iel ▁Command , ▁and ▁Fort ▁Det rick , ▁at ▁Fort ▁Det rick , ▁Maryland . ▁In ▁ 2 0 1 5 ▁he ▁was ▁selected ▁as ▁Deput y ▁Sur geon ▁General ▁and ▁Deput y ▁Command ing ▁General ▁( Support ), ▁United ▁States ▁Army ▁Medical ▁Command . ▁In ▁December ▁ 2 0 1 5 , ▁it ▁was ▁announced ▁that ▁Car aval ho ▁was ▁assigned ▁to ▁the ▁J oint ▁Staff ▁as ▁chief ▁medical ▁ad visor ▁(" J oint ▁Staff ▁Sur geon "). < ref ▁name =" H SC ar aval ho ▁joined ▁The ▁Henry ▁M . ▁Jackson ▁Foundation ▁for ▁the ▁Ad van cement ▁of ▁Military ▁Medicine ▁as ▁their ▁chief ▁executive ▁officer ▁and ▁CE O ▁on ▁September ▁ 1 st , ▁ 2 0 1 7 . ▁ ▁Awards ▁and ▁recogn itions