When retired Marine Cpl. Scott Harrison was stationed at U.S. Marine outpost Con Thien during the Vietnam War, it was a music box sent by his sister that brought him hope during his darkest hours.

Sgt. Maj. Carlos Ruiz has been vocal about a multibillion-dollar barracks effort meant to fix disintegrating housing, as well as mental health and bonus struggles for troops.

An Alabama native who stands as the oldest living United States Marine veteran recently celebrated his 105th birthday.