Tierney served in the U.S. Army Infantry, 3rd Armored Division, Frankfurt, Germany from 1986 – 1991. He was second-in-command of a 100 soldier rifle infantry company, equipped with Bradley Fighting Vehicles and M1 Tanks.

The primary mission was to train troops for combat. Worked extensively with the German Army. Finished service at the rank of Captain.

   Hammelburg Germany, Winter 1987 (Tierney second from left)