 The SPO is responsible for acquisition, systems engineering and depot repair support; manages equipment spares; provides storage and transportation; and, accomplishes modifications and equipment replacement to maintain silo-based ICBM systems.The ICBM Prime Integration Contract (PIC) Program Management Office, LM(3), is charged with day-to-day execution and management of the PIC.The office is accountable to the System Program Director (SPD) for cost, schedule, and technical performance of the ICBM prime contractor.