sentences:  With the Division train cut in half by hostile fire during the march from Hagaru-ri to Koto-ri on 7 December, and the rear elements unable to advance for a period of more than ten hours, Lieutenant Colonel Taplett moved two miles to the head of the convoy under heavy fire and, effecting a skillful reorganization, started the train moving, at the same time supervising his own Battalion in offensive neutralizing action against the strongpoint.Later the same day when the enemy struck the rear echelon in estimated battalion strength, he again left his position and braved the intense fire to analyze the situation.Promptly calling for air strikes, bringing his own supportive fire to bear and maneuvering two rifle companies into action, he conducted a devastating offensive to annihilate the attackers and enable the Marine units to reach their destination without further opposition.