The Jeep was part of Operation “L’EGLISE” (Jan 10-15, 1945). This was one of a series of operations by the 23rd Headquarters Special Troops or the so-called “Ghost Army”. One of the missions was to act as a different unit in order to confuse the enemy as to the location of the real unit.

More information on: ghostarmylegacyproject.org  

The following book is a very good resource concerning the mission and operations of the “Ghost Army”;

“Ghosts of the ETO; American Tactical Deception Units in the European Theater, 1944 – 1945” by Jonathan Gawne.