The 9th Infantry Division of the U.S. Army is nicknamed the "Old Reliables." It was created during World War I as the 9th Division but was never deployed overseas. The division proved to be an important asset during World War II, Vietnam, and the Cold War. During the pre-war buildup for World War II, the 9th Infantry Division was constituted on August 1, 1940, at Fort Bragg, NC. The Old Reliables were among the first U.S. troops to enter combat in WWII.

Much of the history of the 509th PIB has to be pieced together by the use of veteran narratives and some work by a few "history detectives".

Diego Cancelli owns and operates Il Casale di Giulia a working farm, & B & B. This was the 509th Command Post during the battle of Anzio...

A summary history of the 509th Parachute Infantry Regiment - the first to jump into combat.

The Boldest Plan is the Best - The combat history of the 509th Parachute Infantry Battalion during WWII

History of the 503rd Parachute Infantry Regiment from their time fighting during WWII in the Pacific Theater - which earned them a Presidential Unit Citation - all the way through to their multiple deployments to both Iraq and Afghanistan during the Global War on Terror [GWOT].

A summary history of the 3rd Infantry Division, nicknamed the "Rock of the Marne," is a mechanized infantry division of the United States Army based at Fort Stewart, Georgia. The unit has served the United States in World War I, World War II, Korea, the Cold War, and Iraq.