Is there any mod that allows us to customize new planes and stuff?
Is there any mod that allows us to customize the new planes like Tula? Or the other military vehicles?
And if you don't want to do it all over again each time, here is something which lets you persist your customized vehicles at any place you like:
https://www.gta5-mods.com/scripts/i-m-not-mental-s-persistance-mod but refrain from excessive use because too many persisted vehicles cause a) FPS drop and b) less AI traffic.