Complete the following sentence: The 4th Brigade was originally formed during World War I as the 4th Marine Brigade. It served in France as one of the two infantry brigades of the U.S. Army 2nd Infantry Division and all Marine combat units in World War I were organized under the 4th Marine Brigade. <unk> <unk> <unk> <unk>
Belleau Wood, Soissons and Meuse-Argonne campaign.