Main Battle Position (Abucay-Morong Line)Main Battle Position (Abucay-Morong Line) is a Registered Property, Province of Bataan located at Abucay, Bataan, Region III.
Deliberated under War Plan Orange 3, the Main Battle Position of the USAFFE, known officially as the Abucay-Morong Line was established astride this road. The 57th Infantry Regiment (PS) is committed to this line and 41st Division (PA) and the 51st Division (PA) were in its left.