Courts-martial of the United States are trials conducted by the U.S. military or by state militaries. Most commonly, courts-martial are convened to try members of the U.S. military for criminal violations of the Uniform Code of Military Justice (UCMJ), which is the U.S. military's criminal code. However, they can also be convened for other purposes, including military tribunals and the enforcement of martial law in an occupied territory. Federal courts-martial are governed by the rules of procedure and evidence laid out in the Manual for Courts-Martial, which contains the Rules for Courts-Martial, Military Rules of Evidence, and other guidance. State courts-martial are governed according to the laws of the state concerned. The American Bar Association has issued a , which has influenced th