The document discusses the importance and potential drawbacks of Global Positioning System (GNSS) in terms of positioning, navigation, and timing services.

It emphasizes that while it is a means to an end, it is also a means to ensure the safety, security, and economic well-being of a nation.

The document also notes the shift towards global solutions over locally-based solutions, emphasizing that while GPS is a valuable tool, it is only effective when it works.