Marines from Marine Forces Reserve return from a 3-mile motivational formation run at Marine Corps Support Facility, New Orleans, Nov. 10, 2015. Each year, the Marines celebrate the Corps’ birthday with a cake-cutting ceremony followed by a run. Since Nov. 10, 1775, the United States Marine Corps has garnered the reputation as the world's most efficient amphibious fighting force, engaging in combat on battlefronts across the globe since its inception.