This document summarizes a social policy paper on veteran homelessness. It begins with background on the social problem of veteran homelessness, defining homelessness and providing statistics. It then discusses the causes of veteran homelessness and interventions. The document outlines the federal Opening Doors policy and program, King County's Five Year Plan to end veteran homelessness. It describes the plan's goals, funding sources, administration, accessibility, and providers. It concludes by noting the plans aim for horizontal and vertical adequacy in addressing veteran homelessness.