The 28th Marine Regiment (28th Marines) is an infantry regiment of the United States Marine Corps. The regiment (inactive since the Vietnam War) which is part of the 5th Marine Division, fought in the Battle of Iwo Jima during World War II. Six Marines of the 2nd Battalion, 28th Marines were featured in the historical photo by Joe Rosenthal of the U.S. flag raising on top of Mount Suribachi.