GTI Cadre The cadre of the Government Training Institute, Inc. is comprised of leaders from a diverse background of military and law enforcement fields. This diverse group of instructors have delivered and designed numerous military manuals and specific course curriculums for state, local, and federal agencies. Combined together, with a theoretical and researched base initiative, the GTI Cadre deliver sound, fact, tested, and operational experience and course development. The Government Training Institute, Inc. come from the following leaders in tactics and law enforcement.