Originally Posted by
Martin the Martian
I've often wondered why grey has prevailed for medium/high altitude ops, particularly in the west. PRU blue was the standard finish during WW2 and it certainly seemed to work well.
Depends what you are trying to hide from - PRU blue was used to hide from beneath, both ground and air fo air, but stood out like a sore thumb from above over cloud (Hence the High fighter scheme used PRU blue underneath but Medium Sea grey on top, as there may be a threat looking down)