 As of November 19, 2009, it housed 4,310 inmates, and a minimum-security satellite camp housed an additional 426.The coinage is mackerel, or macks; the inmates buy plastic pouches of it from the commissary and use it as commodity money.Knowing that Fort Dix was on a base closure list, the U.S. Air Force attempted to save the U.S. Army post during 1987.