NMCB-12

Naval Mobile Construction Battalion 12 (NMCB-12), known as the "Dirty Dozen," is a unit of the U.S. Navy Seabees with a distinguished history dating back to World War II. Commissioned in 1942, NMCB-12 played a crucial role in the Pacific Theater, constructing airfields, bases, and infrastructure vital to Allied operations. Over the decades, the battalion has supported military operations and humanitarian missions worldwide, including deployments to Vietnam, the Middle East, and disaster relief efforts. As a Reserve battalion, NMCB-12 continues to provide vital construction and engineering support to U.S. naval and joint operations across the globe.