I have some links here to reading of interest or which may be of help in your case.
Army TJAGSA Criminal Law Criminal Law Deskbook.
Electronic Benchbook for all courts-martial. The BB is used by military judges and military defense counsel on preparing and presenting a case, law applicable to specific charges, and instructions given to the jury.
Manual for Courts-Martial 2019. The MCM contains the U.S. Constitution, the UCMJ, and rules of practice and procedure to be followed in courts-martial and courts-martial appeals.
If you or a family member have a case on appeal you can find the decision(s) and status here. You can also review other cases which have the same issues as yours, or give you ideas for issues.
If you want history of military law, the Library of Congress has a site with various current and historical documents and resources.