5:10 sierra btry

**5/10 Sierra Battery** is a designation that suggests a sub-unit (Battery) of the 5th Battalion, 10th Marine Regiment, traditionally an artillery unit of the United States Marine Corps. The 10th Marine Regiment was activated in 1914 and has a storied history, participating in major conflicts such as World War II, the Korean War, Vietnam, and operations in Iraq and Afghanistan. Sierra Battery (S Btry), as part of 5th Battalion, provided artillery fire support with howitzers, enhancing the combat capabilities of Marine infantry units. Over the years, the battery has been recognized for its rapid mobility, precision fire, and adaptability in both conventional and expeditionary warfare. Its Marines exemplify the regiment’s motto: “The Spirit of the Regiment.”