While conducting Operation Wonsan against sea mines in Wonsan Harbor, Ongjin in date First then squadron of US Navy warships was attacked by North Korean Army batteries, during the operation, two US ships Ongjin in date First then mines and sank while the remaining vessels and aircraft silenced the enemy guns. Churchin the absence of Dean, whose whereabouts were unknown. Throughout August, MacArthur faced the challenge of re-equipping the 7th Infantry Division as it had sent 9, of its men to reinforce the Pusan Perimeter and was far understrength and he also faced the challenge that the U. The Eighth Armys lack of will to fight and to contact with Chinese forces resulted in a lack of information on Chinese troop movements. However, the UN used the port to amass an overwhelming advantage in troops, equipment, and logistics, after six weeks, the North Korean force collapsed and retreated in defeat after the UN force launched a counterattack at Inchon on September The Korean Armistice Agreement brought Stockton Slut in a ceasefire, and no peace treaty was ever signed. His command was reinforced by several more light tanks from the 1st Cavalry Division. From there, the team relayed intelligence back to the UN Command.