U.S. Marine Corps Chief Warrant Officer 2 Douglas McGlothlin, right, receives his first salute from Gunnery Sgt. Robert Kelm, left, at the National Museum of the Marine Corps, Feb. 5, 2015. McGlothlin, a native of Waldorf, Maryland, enlisted in the Marine Corps 15 years ago and achieved the rank of gunnery sergeant prior to being appointed a chief warrant officer 2. (U.S. Marine Corps photo by Sgt. Bryan Nyggard/RELEASED) - U.S. Marine Corps Chief Warrant Officer 2 Douglas McGlothlin, right, receives his first salute from Gunnery Sgt. Robert Kelm, left, at the National Museum of the Marine Corps, Feb. 5, 2015. McGlothlin, a native of Waldorf, Maryland, enlisted in the Marine Corps 15 years ago and achieved the rank of gunnery sergeant prior to being appointed a chief warrant officer 2. (U.S. Marine Corps photo by Sgt. Bryan Nyggard/RELEASED)