Joseph T. Tiefenthaler was born on October 19, 1945. His home of record is Brooklawn, NJ.
He served in the US Army and attained the rank of Specialist 4 (SP4). He was assigned to B Company, 1st Battalion, 7th Cavalry, 1st Cavalry Division.
Tiefenthaler was killed in action on May 13, 1967.
Sources: Various websites and NJVVMF.