He is currently the only Puerto Rican MIA whose body has never been recovered .
Acosta - Rosario was a member of Company B , 1st Battalion , 5th Infantry ( Mechanized ) ; 25th Infantry Division , United States Army .
Acosta - Rosario is currently the only Puerto Rican MIA whose body has never been recovered .
Acosta - Rosario was a member of Company B , 1st Battalion , 5th Infantry ( Mechanized ) ; 25th Infantry Division , United States Army .