Found some more pictures in this documentary:
RAF Coastal Command (1944)
It shows two RAF Commer 15-cwt Vans (one with census number RAF 4722) in use at Royal Air Force Station Reykjavik, where
"Coastal (Command) anti U-boat Squadrons in Iceland have two main jobs. (...) Intermittently, over various periods American squadrons both Army and Navy, have cooperated in this work", as per the voice over.
We see aircrew scrambling
"off to a job", board a Commer which then drives off to the flight line:
