Lance Cpl. Marcellous Mason, supply administrator, 3rd Light Armored Reconnaissance Battalion, has been producing rap music since he was in sixth grade. He uses his lyrics as a form of preaching to spread the word about his beliefs.(Official Marine Corps photo by Lance Cpl. Levi Schultz/Released) - Lance Cpl. Marcellous Mason, supply administrator, 3rd Light Armored Reconnaissance Battalion, has been producing rap music since he was in sixth grade. He uses his lyrics as a form of preaching to spread the word about his beliefs.(Official Marine Corps photo by Lance Cpl. Levi Schultz/Released)