The Marine Corps takes measures to educate and train Marines on sexual assault prevention and response and its effect on our brothers and sisters in arms. The frontline representatives for this effort are known as uniformed victim advocates, or UVAs.Advocates not only provide support, education, and training to Marines, they also play a large part in preventing sexual assault. - The Marine Corps takes measures to educate and train Marines on sexual assault prevention and response and its effect on our brothers and sisters in arms. The frontline representatives for this effort are known as uniformed victim advocates, or UVAs.Advocates not only provide support, education, and training to Marines, they also play a large part in preventing sexual assault.