This document provides best practices for unseating an incumbent in a government contract capture. It outlines key tasks for capture planning like understanding the customer's desires, developing a value proposition, selecting partners, and identifying resources. It emphasizes starting capture activities as early as possible. The document also recommends obtaining prior proposals and contracts through FOIA requests, talking to various stakeholders, and carefully choosing opportunities. It provides lessons learned around developing a proposal schedule, conducting reviews, allowing time for production, and capturing lessons learned.