Marine Corps staff sergeants and gunnery sergeants will begin attending the same leadership school for promotion to the next ...

But when he graduates Marine Corps boot camp at Parris Island, South Carolina, on Friday, he'll be a gunnery sergeant - a two-rank promotion that will propel him directly into the Corps' seasoned ...

Marine Corps staff sergeants and gunnery sergeants will begin attending the same leadership school for promotion to the next rank under a pilot program that will merge their respective schools.