The 307th Infantry Regiment was a National Army unit first organized for service in World War I as part of the 77th Division in France. It later served in the Pacific Theater during World War II. Since then it has served as a training Regiment. In 1999, it was withdrawn from the Combat Arms Regimental System and redesignated as a non-branch regiment. The regiment's 1st Battalion is assigned to the 174th Infantry Brigade at Joint Base McGuire–Dix–Lakehurst, New Jersey, with the 2nd Battalion is assigned to the 157th Infantry Brigade at Camp Atterbury, Indiana.

The 77th Sustainment Brigade is a unit of the United States Army that inherited the lineage of the 77th Infantry Division, which served in World War I and World War II. Its headquarters has been at Fort Dix, New Jersey, since its predecessor command, the 77th Regional Readiness Command, was disestablished in 2008 from Fort Totten in Bayside, Queens, New York. Soldiers from the 77th have served in most major conflicts and contingency operations involving the US since World War II.