During the day of November 30 , the order came to withdraw the 2nd Infantry in phases .
The 503rd Artillery Battalion was sixth of eight in the order and could not get out in daylight when air cover was possible .
During the day of November 30 , the order came to withdraw the 2nd Infantry in phases , but the 503rd Artillery Battalion was sixth of eight in the order and could not get out in daylight when air cover was possible .