The purpose of the research is studying the desertion of criminal act that is done by Indonesia
National Army(TNI) and its prevention efforts using normative method supported by empirical
method UU No.31 year of 1997 about Law Code of Military Tribunal and KUHPT as the
reference in this thesis writing process. The desertion criminal done by Indonesia National Army
(TNI) stated in KUHPT section 87 “Go with the purpose of withdrawing self forever from the
duty obligation, avoiding the danger of war, defecting the enemy or not having the army duty to
other country or domination. So that it can seen how the organization way or process in order to
prevent a violating done by the TNI members through the steps of investigating, demanding, and
judicial proceeding that are done by ANKUM, ODMIL, Military Court, and the degree of
Military Court: Military Court, High Military Court, Superiority Military Court, and Battle
Military Court. By the prevailing of Law Regulation, it is intended to minimize the desertion
criminal occurred that is done by Indonesia National Army (TNI).