I need help.

Me and my boyfriend are not married. He leaves for basic training Monday and he told me that because I’m having his baby I could live on base. However, I‘ve heard other things. I’ve been told he has to adopt my first born son, and marry me before we can live with him on base. I don’t know if the recruiter would’ve told him this and maybe he lied to me to throw me off because he might propose soon.. but is there anybody who could help explain this whole thing to me. I’m 25 weeks pregnant and kinda freaking out but I don’t wanna ask him and risk ruining a proposal.