USN Mobile Construction 40

• Formation During the Vietnam War: USN Mobile Construction Battalion 40 (MCB 40), also known as the "Fighting Forty," was commissioned in 1942 and became renowned for its service during the Vietnam War, where it built critical infrastructure for the U.S. military. • Nickname "Fighting Forty": The battalion earned the nickname "Fighting Forty" due to its reputation for hard work, resilience, and getting the job done under challenging conditions. • Seabee Legacy: As part of the U.S. Navy Seabees, MCB 40's personnel were trained in both construction and combat, making them unique among military engineers. • Da Nang and Chu Lai Operations: MCB 40 played a pivotal role in Vietnam, constructing airfields, roads, and bases at key locations such as Da Nang and Chu Lai, often under enemy fire. • First to Build Under Fire: Members of MCB 40 were among the first Seabees to build while under direct enemy attack, showcasing their courage and adaptability. • Humanitarian Construction: Beyond military projects, MCB 40 also built schools, orphanages, and hospitals for local Vietnamese communities, earning respect from civilians. • Awards and Commendations: The battalion received multiple awards, including the Navy Unit Commendation and Meritorious Unit Commendation, for its exemplary service. • Global Deployments: MCB 40 served not only in Vietnam but also in locations around the Pacific and the United States, contributing to projects in Guam, Okinawa, and more. • Demobilization and Legacy: After decades of distinguished service, MCB 40 was decommissioned, but its legacy lives on in the Seabee community and the infrastructure it left behind. • Enduring Motto: The battalion embodied the Seabee motto, "Can Do," and is remembered for overcoming obstacles and accomplishing missions under the most difficult circumstances.