While researching the Airstream history, I discovered a couple photos of the Ohio State Patrol’s communication trailers and jeeps, purchased in ’46 or ’47. There were several of these combos used for special tasks, such as enforcing aviation offenses.

This photo was posted to Cleveland.com (have to scroll down a bit):

This photo was posted onto LInkedIn: https://www.linkedin.com/posts/ohio-state-highway-patrol_oshp90th-activity-7126255477654523905-RtsY?trk=public_profile_like_view

UPDATE: Barney added to this discussion. He had a customer who refurbed a military DJ-5. 

Barney wrote: “Years ago I sold parts to a customer who had a military DJ5. He restored it to USMC tribute because it had been a Marine Corp vehicle. I have attached 2 photos. Note that it is left hand drive.  He said they were used for base runabouts – messengers, delivery, etc. Obviously the graphics are not original but a tribute to his own service with the Corps.

I know the military used CJ5s stateside in the 70s and 80s and even in civilian colors as if they had got it from a dealership. Saw a 73 CJ that was and  metallic green with a white Meyers hard top   and a blue cherry on top as it was an MP Jeep at Fort Ord CA. I saw it patrolling the Naval Post Graduate School in Monterey”

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Chris was kind enough to share images of his DJ-5 that was purchased my the military. It just shows that the AM General DJ-5s were used by more than just the USPS.