line  combat units as a combat infantryman, as an Army Ranger, and as a  founding operator within the elite Delta Force under Colonel Charlie  Beckwith. These experiences helped Haney effectively serve as a  technical advisor, weapons expert, and actors mentor to Val Kilmer,  ensuring that Kilmer reflected an accurate depiction of a special  forces operative in every capacity. Haney retired as a highly  decorated Sergeant Major, and his documented experience also  includes security surveys, metro SWAT team arms training, oil  company guard force management, executive protection, and the  recovery of American children kidnapped and taken overseas.