U.S. Marine First Sgt. John Farritor, who recently turned 100, can be proud of a great number of things in his life.

Farritor spent 30 years in Corps, including 20 in active duty and 10 in the reserves, according to the San Diego Union-Tribune

Having fought in some of the most deadly and infamous World War II and Korean War battles, he not only proved himself a patriotic warrior in his youth but also he can add reaching the grand old age of 100 to his list of achievements.

Farritor celebrated becoming a centurion at the Pacifica Senior Living Center in Vista, California, the Union-Tribune reported.

Farritor was born on July 9, 1919. At the age of 20, he enlisted in the Marine Corps. In July 1941, he arrived for boot camp at the Marine Corps Recruit Depot in San Diego, and was subsequently stationed at Camp Elliot and then Camp Pendleton.

He is one of the few Marine veterans who survived after marching 55 miles from Camp Elliott in San Diego to the newly opened Marine base near Oceanside, California in September 1942.

Having enlisted amid World War II, Farritor fought in the bloody struggle for Iwo Jima, Japan, surviving a battle that took many, many lives.

In 1950, Farritor was part of the defining Korean War battle at the Chosin Reservoir. Farritor was injured during this campaign, a hand-wound from flying shrapnel, to which he refused a Purple Heart, according to reports.

To this day, Farritor says he doesn’t like being called a war hero. He says he was just a Marine getting the job done.

“When I hear people calling me a hero, I say I’m not,” he said. “All of the real heroes were buried over there.”