In Accessory to War: The Unspoken Alliance Between Astrophysics and the Military, Neil deGrasse Tyson and co-author Avis Lang explore the complex and often unacknowledged relationship between the field of astrophysics and military advancements. Tysons writes how astronomical research has significantly influenced military technology and strategies, and conversely, how military needs have driven advancements in space science. Through historical examples and detailed analysis, Tyson and Lang reveal the intricate connections between scientific discovery and warfare, illustrating how these seemingly disparate domains have evolved in tandem. Accessory to War provides a thought-provoking examination of the ethical and practical implications of this relationship, offering insights into the broader impact of science on society and the interplay between scientific progress and military interests.