I would think that seeing a civilian aircraft and military vehicles in the same photo at an airport in Alaska during the war (or at the beginning of the war) would not be that uncommon.
Notice the antennae or cable cutter in front of the windscreen.
https://www.reddit.com/r/WeirdWings/...the_kuskokwim/
http://www.airminded.net/stin3m/ao_stinson_mirow.jpg
https://jukebox.uaf.edu/site7/media-...ail/2561/14211