R. Lee Ermey, a towering figure whose gravelly voice and commanding presence left an indelible mark on both Hollywood and the United States Marine Corps, was born Ronald Lee Ermey on March 24, 1944, in Emporia, Kansas. He rose to international fame for his unforgettable portrayal of Gunnery Sergeant Hartman in Stanley Kubrick's 1987 film Full Metal Jacket, a role that earned him a Golden Globe nomination for Best Supporting Actor and cemented his status as one of cinema's most iconic authority figures. Ermey's journey to stardom was unconventional, rooted in his real-life service as a U.S. Marine Corps staff sergeant and later honorary gunnery sergeant, which lent an authenticity to his performances that few could replicate. He passed away on April 15, 2018, at the age of 74, leaving behind a legacy of discipline, humor, and dedication.

Ermey's early life was marked by a rebellious streak that led him to join the Marine Corps at age 17, after a brief stint in the U.S. Army. He served with distinction as a drill instructor from 1965 to 1967, training recruits at Marine Corps Recruit Depot San Diego, and later served in Vietnam and Okinawa before a back injury forced his retirement in 1972. After leaving the military, Ermey pursued acting, initially studying at the University of Manila in the Philippines, where he appeared in small film roles. His big break came when he was hired as a technical advisor for Full Metal Jacket, and Kubrick was so impressed by his improvisational skills that he cast him as the lead drill instructor, effectively writing the role around Ermey's own experiences. The performance was so authentic that the film's boot camp sequences were largely unscripted, relying on Ermey's improvised tirades.

Following his breakthrough, Ermey became a go-to actor for roles demanding authority, often playing military figures, law enforcement officers, or tough patriarchs. He appeared in notable films such as Mississippi Burning as Mayor Tilman, Fletch Lives as Jimmy Lee Farnsworth, Seven as a police captain, and Prefontaine as track coach Bill Bowerman. He also lent his voice to the beloved character Sarge, the plastic army men leader, in the first three films of the Toy Story franchise, bringing a gruff yet endearing quality to the role. In the horror genre, he portrayed Sheriff Hoyt in The Texas Chainsaw Massacre and its prequel The Texas Chainsaw Massacre: The Beginning, adding a chilling dimension to his repertoire. On television, Ermey voiced Major "Maddogg" Madison in the animated series Rocket Power and appeared as John House in House.

Beyond acting, Ermey became a familiar face on cable television as the host of several History Channel programs. In Mail Call, he answered viewer questions about military history and technology with his characteristic blend of expertise and blunt humor, while Lock n' Load with R. Lee Ermey explored the development of weaponry throughout history. He also hosted GunnyTime on the Outdoor Channel, further solidifying his reputation as a passionate advocate for military education and firearm history. Ermey's unique career bridged the gap between his military service and entertainment, making him a beloved figure to veterans and film fans alike. His legacy endures through his iconic roles and his unwavering commitment to authenticity, ensuring that his voice and spirit will not be forgotten.