Steve discovered this image in the New Jersey State Police Museum archives.  The museum was kind enough to allow us to publish it.

Steve rights, “I did some research with our museum staff and found this picture from 1951 of a state trooper driving a WW II Willys MB that had been converted for police use. Looks like it may have been used in rural areas as a sorta fire jeep. See the large fire extinguisher on the left fender skirt …. Coincidentally, one of our troopers (Trooper Joseph C. Walter Jr. #685) was killed in the line of duty in a motor vehicle accident on 9-7-52, I believe in that very same jeep.”