Updated. Removed the targeting reticule and some clouds near the edge. Competition original can be found here.
Possible view from a Sperry or Ball Turret beneath a B17 or similar bomber, with enemy fighters inbound using the sun to mask their approach. (Alternatively, view from any window into the sky).
I did consider whether it was worth including the reflection of the gunner, but thought better of it for two reasons:
1 - Skill required to study anatomy and succeed at it within the one week challenge time frame!
2 - Have you seen what position they sat in these things in? I suspect any romantic sunset views might've nullified by the reflection of the gunners posterior staring back at them.
Spare a thought for the poor gunners who were shot in said position - and where giant aircraft bullets would be most likely to impact!
My only reference was this photo of a plane flying into the sunset.
WIP GIF here. Art advice very welcome in the comments here.