Just came across this pic on the AWM database (ID Number:
077451
Physical description:
Black & white
Summary:
LAE BASE AREA, NEW GUINEA. 1944-12-04. TX14492 CRAFTSMAN R.G. SPEARS (1) AND TX13687 CRAFTSMAN W.A. HODGE (2) RECOVERY CREW OF THE 2/77TH LIGHT AID DETACHMENT LIFTING A JEEP IN PREPARATION FOR TOWING IT BACK TO THE UNIT FOR REPAIRS.)
and noticed the cab 12 has had braces made up for the roof.
This used to be a common thing to see in post-war civilian use and obviously there was a weakness in the design, but I think this is the first time I've seen it on a picture taken during the war.