During the resistance war against the US, alongside the strategic Truong Son - Ho Chi Minh Trail on land, the Ho Chi Minh Sea Trail was also a vital lifeline, ensuring the timely and effective transport of weapons and forces to the southern battlefield.

During the National Day celebration, one of the meaningful activities of Regiment 451, Naval Region 4 under the Vietnam People's Navy was to visit and pay tribute to heroic martyrs and people who contributed to the revolution.