abstract:Performance Based Contracting (PBC), known variously as Performance-based logistics (PBL), Performance-based life-cycle product support, Contracting for Availability, Contractor Logistics Support (CLS) , Contracting for Capability, and Power-By-The-Hour is a product support strategy used to achieve measurable performance outcomes for a weapon system or subsystem. A PBC approach focuses on developing strategic performance metrics and directly relating contracting payment to performance against these metrics.