This document analyzes the benefits of fiber optic networks for defense applications. It discusses how fiber optic technology provides secure, high-bandwidth communication over long distances with immunity to electromagnetic interference. The document summarizes several military uses of fiber optics, including in weapon guidance systems, sensors, surveillance systems, optical computing, and onboard vehicles. Fiber optic networks are presented as beneficial for applications like communications, targeting, damage control, navigation, and more due to attributes like lightweight cables, electromagnetic neutrality, and ability to transmit data over long ranges.