This document provides an executive summary of a report on the economic impact and opportunities for replication of the Brooklyn Navy Yard in New York City. It summarizes that the Navy Yard has emerged as a successful model of urban industrial development with over 330 businesses and 5,800 employees generating nearly $2 billion in annual economic output. The summary examines factors driving the Navy Yard's success, including strong governance, infrastructure investments, a focus on attracting small manufacturers, and sustainability initiatives, with the goal of identifying lessons that could be applied in other cities to support urban manufacturing.