PBUSE-Unit Operator/Supervisor Course (OS-PBU): This operator/supervisor level course provides initial and job enhancement training to unit supply clerks and supervisors in the Property Book Unit Supply Enhanced (PBUSE) automated supply procedures and policies. THE PBUSE -Unit level training includes, but is not limited to system security; unit parameters; system utilities; supply request processes; unit load management; automated hand receipts; automated component listings; data replications and synchronizations; operation modes, stand-alone or enterprise; and multimedia training.