Wednesday, December 10, 1862
The Thirteenth New Hampshire resumed their march and at noon arrived at the Phillips House, the headquarters of General Edwin "Bull" Sumner, in Falmouth. The Thirteenth New Hampshire officially joined the Army of the Potomac, assigned to Colonel Rush Hawkins' First Brigade in General George Getty's Third Division of the Ninth Army Corps of General Sumner's Right Grand Division. The afternoon is spent in preparation for battle in the morning. As a consequence of preparation the Thirteenth New Hampshire is supplied with three-days rations and sixty rounds of ammunition.1
1S. Millett Thompson, Thirteenth Regiment of New Hampshire Volunteer Infantry in the War of the Rebellion, 1861-1865 : A Diary Covering Three Years and a Day (Boston, Massachusetts: Houghton, Mifflin and Company, 1888), 32-34.