C4 hill battlefield located on Dragon Mountain (Ham Rong ward, Thanh Hoa province). More than half a century ago, this place was an anti-aircraft artillery battlefield, ready to fight back air raids by the US Air Force, protecting Ham Rong bridge.
From 1965 to 1973, this place was a fierce battlefield of Company 4, Regiment 228. The battlefield has an area of more than 12 hectares, located on a hilltop with a system including: 1 command bunker, 2 artillery platoons (B1, B2), 6 batteries, 1 club bunker and 2 ammunition bunkers.
In the command bunker, there are deputy company commander, deputy political commissar and equipment officers. The radar observation area is in charge of the company commander and political commissar; when a target is detected, orders will be transmitted to the command bunker to organize the firing.
After receiving signals from the radar station, the command bunker ordered the B1 and B2 artillery platoons to deploy combat and operate batteries to attack aerial targets.
The club basement has an area of about 30 m2, is a place for soldiers to rest and live, and is neatly and tidily arranged. Six batteries are located in strategic positions, directly participating in combat with enemy aircraft.
With the slogan "Rather collapse on the cannon than let the bridge collapse", the soldiers persistently stayed, contributing to the successful protection of Ham Rong bridge - a vital traffic route connecting the South and North. On C4 hill, there are still many bomb craters deep in meters, traces of fierce battles, including the battle on July 14, 1966 that killed soldier Do Huu Toai.
After 9 years of fighting, Company 4 participated in more than 400 battles, contributing to shooting down 117 aircraft, including 2 B-52 aircraft and 1 drone. In 1975, the C4 hill artillery battlefield was recognized and ranked as a national historical relic.
According to Lao Dong Newspaper's records, the relic site is currently protected and preserved intact, becoming a tourist attraction for a large number of people and tourists, especially in April every year.
