These P-39Qs appear to have been employed in a similar way to the 'Pinball' P-63s but does anyone know more about them? The Z-coded machines (in a retouched photo) are Las Vegas AAF-based machines and date from sometime in 1944.
P-39Q-10-BE 42-20937 "Z325"; P-39Q-15-BE 44-2355 "Z341" and P-39Q-15-BE 44-2343 "Z336":
This one seems to be 42-19504 "G305":
P-39Q-10-BE 42-20937 "Z325"; P-39Q-15-BE 44-2355 "Z341" and P-39Q-15-BE 44-2343 "Z336":
This one seems to be 42-19504 "G305":