About this Unit
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.
Historical Facts
• World War II Origins: Naval Mobile Construction Battalion 12 (NMCB-12) was originally commissioned during World War II in 1942, forming part of the famous "Seabees" (Construction Battalions) who built critical infrastructure across the Pacific Theater.
• Battle of Okinawa: NMCB-12 played a vital role during the Battle of Okinawa, constructing airfields, roads, and hospitals under enemy fire, enabling sustained Allied operations.
• Disbanded and Recommissioned: After WWII, the battalion was decommissioned, but was later recommissioned in 1962 as part of the Navy Reserve, reflecting the changing needs of U.S. military construction capabilities.
• Vietnam War Deployments: NMCB-12 supported operations in Vietnam, building bases, airfields, and supply infrastructure crucial to U.S. and allied forces in Southeast Asia.
• Humanitarian Assistance: The battalion has participated in numerous humanitarian missions, including disaster relief efforts after hurricanes, earthquakes, and floods, both in the United States and internationally.
• Gulf War Support: During Operations Desert Shield and Desert Storm, NMCB-12 provided construction and logistical support in the Middle East, contributing to coalition success.
• Global War on Terror: Following 9/11, NMCB-12 Seabees deployed to Afghanistan and Iraq, building forward operating bases, roads, and critical infrastructure for U.S. and coalition forces.
• Reserve Component Excellence: As a Reserve battalion, NMCB-12 is primarily staffed by part-time citizen-Sailors, demonstrating the unique capabilities and dedication of the Navy Reserve force.
• Seabee Motto: NMCB-12 proudly upholds the Seabee motto, "We Build, We Fight," embodying both the construction and combat readiness responsibilities of the unit.
• Community Engagement: In peacetime, NMCB-12 regularly participates in community improvement projects, such as building schools, renovating parks, and supporting local veterans’ organizations.
