Can i go to UPT (flight school)

I’m french-american (both citizenships), I have always lived in france. I really want to be a military pilot. Right now i’m 18 in my first year of engineering, so i should have a degree in engineering (equivalent to a US master’s degree) by 2028. My issue is that i’m realizing that i don’t really know anything about OTS and i’m afraid my special status won’t get throught (for example i don’t have a GPA)