The Brandon Act Training and Protocol Act directs the Department of Defense to create a comprehensive plan to tackle mental health issues and suicide prevention among active-duty military members. The Secretary of Defense, working with each military branch and the Defense Health Agency, must develop uniform standards for how mental health services are delivered across the entire armed forces. The plan focuses on three main areas: first, it establishes consistent rules for how service members can refer themselves for mental health evaluations without going through their chain of command, and requires the military to actively advertise this option through posters, flyers, and other communications so troops know it exists. Second, it mandates standardized mental health training for all service members, with specialized, more intensive training for commanders, senior enlisted leaders, and medical personnel. Third, it creates a certification system to prove that military leaders have completed this training and understand how to recognize warning signs of mental health problems, respond appropriately when a service member seeks help, and support their troops' mental wellbeing. Essentially, this bill aims to remove barriers that might prevent military members from getting help and ensures that leaders throughout the military are equipped to identify and support those struggling with mental health issues.