In October 1917, while at Camp McClellan, Alabama, the First Maryland was consolidated with the Fourth and Fifth Maryland Infantry Regiments to form the 115th Infantry Regiment. The 115th became one of the four regiments brought together into the 29th Infantry Division, which was formed in July 1917, at Sea Girt, New Jersey. The division wasn't even a year old when it received its baptism of fire in France. Company K, 115th, was the first unit in the 29th Division to engage the enemy when it repelled a German raid in July 1918.