If you have a name, gender, or social security number (SSN) change after discharge from the military, even if it is court ordered, the name and gender on your military records will not be changed since they are historical documents which record facts during the time you served in the military. If you need a certificate to show your current name or gender and that you served in the military under another, you can request such from the National Personnel Records Center, Military Personnel Records, 1 Archives Drive, St. Louis, Missouri 63138. See the following website for further information https://www.archives.gov/veterans.