How to add something into a current rocket

[CookiezFort]

Hi, if i want to make lets say a base in the mun or something, and i have builded the actual part of the base (lets say a hangar) what can i use to instert it to a rocket that i have done? i do not want to re build the whole thing. (i have not done that but lets say i may do it) how can i 'insert' the payload on the rocket without having to rebuild the rocket on the payload or the payload on the rocket?

[Pursuedtank]

There is no way to do this stock however if you don't mind mods you'll want to download the subassembly saver/loader. It hasn't been updated to 0.20 yet but there is a fix here. I don't know if you would need the rest of the download as well, however if you do that is here. It basically enables you to save parts of a rocket. so you could save a launcher, build a new payload then load the launcher into the same file attach it then you are ready to go.

[Kilmeister]

This is planned to be part of the base game in the future, but right now that mod is the only way.

[CookiezFort]

ok thanks.