At 8 : 00 am on June 18 , 1948 , the nationalist 11th Reorganized Division launched its all out attack on the communists .
The progress was painfully slow due to the unfavorable terrain .
At 8 : 00 am on June 18 , 1948 , the nationalist 11th Reorganized Division launched its all out attack on the communists but the progress was painfully slow due to the unfavorable terrain .