To everyone:
Real combat aircrafts are matt, flat or dull whe they are recently painted, after some time, the paint becomes satin in most parts of plane because of air+dust friction. You can check this by looking pics of the same at different anlges.
Real US Navy planes used to be painted gloss or satin due to a matter of protection for corrosion, untill TPS (tactical paint scheme) was a standar to the fleet, wich is flat under FS codes, but then again, take a look a at a F-14 or F-18 and you`ll see that some parts are satin or even gloss depending on light exposion.
ahhh.....BTW in space there is no air..... so no fiction unless you go into earth atmosfere.
Regards
Andrés