Complex sentence: On the morning of October 25 and with its 3rd Battalion on point, the 2nd Regiment started northwest from Onjong toward Pukchin, and the Koreans soon came under fire at to the west of Onjong.
Split into simpler sentences: On the morning of October 25 and with its 3rd Battalion on point, the 2nd Regiment started to advnace northwest toward Pukchin. The Koreans soon came under fire at to the west of Onjong.