The document presents a historical overview of the Global Positioning System (GPS), detailing its development from inception in 1973 to full operational capability in 1995, with significant milestones such as its availability for civilian use in 1983. It discusses the evolution of GPS technology using various models, including S-curves, to analyze performance, accuracy, and market dynamics, highlighting challenges in applying existing models to complex systems. The conclusion emphasizes the utility of these models for discussing technology strategy while acknowledging their limitations.