The document summarizes the key aspects of the Standing Review Board (SRB) Handbook and process. It outlines the purpose of establishing SRBs to conduct independent life-cycle reviews of high priority NASA programs and projects. It describes the six main sections of the SRB Handbook, which provide guidance on the context and principles of the SRB process, the scope and expectations of reviews, how SRBs are initiated, the products they produce, typical review timelines, and appendices on independence policies. The handbook is intended to assist SRBs, programs, projects, and other stakeholders in clearly defining roles and expectations for reviews.