 Complete the following phrase:  On 28 November the 40th Infantry Division was concentrated at Borgen Bay to prepare for the invasion of Luzon, the largest and most strategically important of the Philippine Islands. The 108th Regimental Combat Teamcomposed of the 108th Infantry Regiment, the 164th Field Artillery Battalion, Co. C of the 115th Engineer Combat Battalion, and Co. C of the 115th Medical Battalionwas in reserve on S-Day9 January 1945, when the Sixth Army 