While conducting Action Operation Military_operation Wonsan against sea mines in Wonsan Harbor , a squadron of US Navy warships was attacked Attack by Korean People 's Army ( KPA ) batteries .

While conducting Action Operation Military_operation Wonsan against sea mines in Wonsan Harbor , a squadron of US Navy warships was attacked Attack by Korean People 's Army ( KPA ) batteries .

It also gave Giving the Americans an incentive Influence to take Action a more aggressive stance by blockading Besieging Wonsan .