輜重兵
Upon completion of the Command and General Staff College in 1989, he served as the Operations Officer and later as Executive Officer 3d Battalion, 35th Armor, 1st Armored Division in Bamberg, Germany. In 1990, Fil served as Logistics Officer, 3d Brigade, 1st Armored Division during Operations Desert Shield/Storm and later as Executive Officer, 3d Brigade, 1st Armored Division in Bamberg, Germany. In 1992, Fil was reassigned to Fort Hood, Texas where he commanded 1st Battalion, 12th Cavalry, 1st Cavalry Division.