Argus had one hundred eyes, Odin just one; but both myths speak from deep in human history to testify to the importance of seeing what is around you. Far in the future, the present-day Guardians who watched human Space to keep it safe may make myths of their own. This document, titled "Space Doctrine Publication 3-100, Space Domain Awareness," provides operational doctrine for the United States Space Force on achieving and maintaining space domain awareness (SDA). It discusses the importance of SDA in the rapidly growing and congested space environment, as well as the need for accurate and timely detection, tracking, and characterization of objects in space. The document also outlines the roles and responsibilities of organizations involved in SDA and the capabilities and technologies used to achieve it. It emphasizes the critical role of SDA in supporting all space operations and highlights the importance of collaboration and data sharing with allies and partners. The document also discusses the various sensors and capabilities used for SDA and the challenges and limitations involved in collecting and analyzing data from different sources. Overall, the document stresses the importance of SDA in maintaining a safe, secure, and sustainable space environment for military operations. This annotated edition illustrates the capabilities of the AI Lab for Book-Lovers to add context and ease-of-use to manuscripts. It includes six types of abstracts, building from simplest to more complex: TLDR (one word), ELI5, TLDR (vanilla), Scientific Style, Action Items, and Visual; three essays to increase viewpoint diversity: Grounds for Dissent; Red Team Critique; and MAGA Perspective; and Notable Passages and Nutshell Summaries for each page.