During his company command, Hildner deployed his troop to Saudi Arabia and was part of the U.S. VII Corps' attack into Kuwait and Iraq during Operation Desert Storm.

The first was to Iraq as part of Operation Iraqi Freedom where the battalion served in the capacity of a Combat Sustainment Support Battalion, providing general logistical support to units located around Joint Base Balad as well as the Abu Ghraib prison complex.

The second deployment was as part of Logistical Task Force Lone Star, providing both military and humanitarian support operations to the victims of Hurricane Katrina.

In 2007, Hildner authored a paper titled Interagency Reform: Changing Organizational Culture Through Education and Assignment as part of his master of strategic studies degree program.

Hildner was buried in Section 60 of Arlington National Cemetery with full military honors provided by Charlie Company, 3d U.S. Infantry Regiment (The Old Guard).