 <unk> and out of supplies , the 766th Regiment moved to <unk> @-@ <unk> , a mountain 6 miles ( 9 @.@ 7 km ) north of <unk> , to join the shattered KPA 's 12th Division . The 12th Division was reduced to 1 @,@ 500 men in the fighting , and 2 @,@ 000 army replacements and South Korean conscripts were brought to replenish the division . The 766th Regiment was also ordered to merge its remaining troops into the depleted KPA 's 12th Division . Upon the completion of the merger with the 12th Division on August 19 , 1950 , the 766th Regiment ceased to exist . It had trained for close to 14 months prior to the war but fought for less than two . 
