[1] From Camp Mills the units traveled by trains of the Long Island Rail Road to board ferryboats for the overseas piers in Brooklyn or Hoboken when scheduled for embarkation aboard troop ships.
Irving Berlin, the composer, and Alvin York, the most decorated soldier of the American army in World War I, were processed at Camp Upton.
In May 1919, Camp Upton became the site of the Recruit Educational Center, an Army program that enrolled foreign-born, non-English speaking, and illiterate soldiers.
In practice, the program aimed to "Americanize" these immigrants through instruction in the English language, military protocol, U.S. history, geography, citizenship, and political economy.
Soldiers who graduated from the Recruit Educational Center at Camp Upton were eligible for a three-year term of military service, after which they could be naturalized as American citizens.
The former Camp Upton was renamed Brookhaven National Laboratory and was operated by AUI, a consortium of universities, for the United States Atomic Energy Commission.