See here: https://www.spaceforce.mil/Transfer/While still being a service member, I would like to see The USSF develop a functional transition system. For both, other services branches and back to civilian life.
I see the USSF being treated similarly to the way the AF is treated by the Army and Marines. Either way a program that allows currently serving members an opportunity to transfer to the USSF and keep their grade and rank. I know I would apply