I photographed these M274 Mule 4×4 light weapons carriers at Fort Lewis and Arlington.
M274 Mule
Fort Lewis 2015
M274A5 Mule
Olympia 2022
M274 Mule
Arlington Airport 2018
M274A5 Mule
Flying Heritage Collection 2019
Flying Heritage Collection 2023
M274 Mule
I thought this might be the same Mule as at the FHC (above) but I spot some differences.