Jess Pacheco, retired Marine Corps Sgt. Major, center, reaches to shake hands with Lou Hammer, a retired sergeant, during the 237th birthday commemoration of the United States Marine Corps on Friday at the Dole Institute of Politics at Kansas University. Hammer was honored as the oldest Marine Corps veteran at the ceremony. At left is Gunnery Sgt. Dawud Hakim Jr., who presented the first piece of cake to Hammer.