High Quality Content by WIKIPEDIA articles! The 766th Independent Infantry Regiment was a light infantry unit of North Korea`s Korean People`s Army (KPA) that existed briefly during the Korean War. It was headquartered in Hoeryong, North Korea, and was also known as the 766th Unit. Trained extensively in amphibious warfare and unconventional warfare, the 766th Regiment was considered a special forces commando unit. The regiment was trained to conduct assaults by sea and then to lead other North Korean units on offensive operations, to infiltrate behind enemy lines and to disrupt enemy supplies and communications.