U.S. Marine Staff Sgt. Aaron Corwin, a recruiter with Recruiting Sub-Station Lakewood, Recruiting Station Orange County, poses for a photo in Lakewood, California on Jan. 24, 2022. Corwin expressed what it means to be a staff non-commissioned officer in her experience. In the Marine Corps, SNCOs are considered the keepers of tradition and heritage, and they are the ranks that keep the lustrous history of the Marine Corps alive today. - U.S. Marine Staff Sgt. Aaron Corwin, a recruiter with Recruiting Sub-Station Lakewood, Recruiting Station Orange County, poses for a photo in Lakewood, California on Jan. 24, 2022. Corwin expressed what it means to be a staff non-commissioned officer in her experience. In the Marine Corps, SNCOs are considered the keepers of tradition and heritage, and they are the ranks that keep the lustrous history of the Marine Corps alive today.