Need a little information on Naval Officers?

Initial Graduates are Ensigns or 2nd Lts(depends on if he took Marine Option. 2 years as an O1. 2-3 years as an O2. minimum five years as on O3. 5-7 years as an O4. 8-10 as an O5. ditto for O6. uming he is Sh!tHot and has all the stars align, earliest is 25years to be up for Flag. figure earliest he could have graduated was 22, more like 47 before he can even THINK about putting stars on.