Marines' Hymn Heaven's scenes, They will find the streets are guarded By United States Marines. </poem> Marines' Hymn The "Marines' Hymn" is the official hymn of the United States Marine Corps, introduced by the first director of USMC Band, Francesco Maria Scala. It is the oldest official song in the United States Armed Forces. The "Marines' Hymn" is typically sung at the position of attention as a gesture of respect. However, the third verse is also used as a toast during formal events, such as the birthday ball and other ceremonies. Some lyrics were popular phrases before the song was written. The
Sergeant Major of the Marine Corps Marine Corps and typically serves a four-year term, though his service is at the discretion of the Commandant. Since Sergeant Major Wilbur Bestwick was appointed the first Sergeant Major of the Marine Corps in 1957, 17 different Marines have filled this post. On January 20, 2015, Commandant Joseph F. Dunford, Jr. announced that Sergeant Major Ronald L. Green would relieve Sergeant Major Micheal P. Barrett and serve as the 18th Sergeant Major of the Marine Corps on February 20, 2015. Sergeant Major of the Marine Corps Sergeant Major of the Marine Corps (officially abbreviated to SMMC<ref name="ALMAR 016/09"></ref>) is a