The Forty Army had outstanding military exploits during the Civil War and was known as the "Tornado Force".
This unit was the first to enter North Korea, and it was also the only team that directly transferred from the civil war to the War to Resist US Aggression and Aid Korea without peace training. Before receiving the order to enter North Korea, it had just concluded the operation to liberate Hainan.
In the Korean battlefield, the Forty Army was the unit that had the longest continuous operation and the most difficult operations.