The United States Penitentiary, Lompoc (USP Lompoc) is a medium-security United States federal prison for male inmates in California. It is part of the Lompoc Federal Correctional Complex (FCC Lompoc) and is operated by the Federal Bureau of Prisons, a division of the United States Department of Justice. The facility also has a satellite prison camp for minimum-security male inmates. It was formerly a military disciplinary barracks on Camp Cooke.