I previously shared the World War I Draft Card for Morris Goldstein, my husband's grandfather, which was completed June 5, 1918.
The following is from Ancestry.com: New York; Abstracts of World War I Military Service, 1917-1919, Series B0808.
There are several men named Morris Goldstein in New York City in this time frame, but this abstract includes Morris Goldstein's address at 138 Forsyth Street in NYC, as well as his birth date (April 20, 1897) and birth place (Yassy (Iasi), Romania) which confirms this Morris Goldstein as my husband's grandfather.
It looks like he spent about two months (the last two months of the war) at Camp Jackson, the army training center outside of Columbia, South Carolina.
As I have noted before, I believe he became a naturalized citizen serving as a soldier, but he is not the Morris Goldstein in the Fold3.com Index to Naturalizations of World War I Soldiers, 1918, who is a different Morris Goldstein who served at "Crane" not "Jackson."
The description of this Ancestry.com database indicates that records are held at the New York State Archives in Albany, New York. I contacted the Archives by email, but was informed that they do not have any additional information.