![](https://safran-navigation-timing.b-cdn.net/wp-content/uploads/2021/07/Part-I-Cover_a.png)
# Videos
360 in 180: A Multilayered Approach to Addressing PNT Vulnerabilities Part I
We interview John Fischer, our VP of Advanced R&D on PNT Vulnerabilities. In Part 1, we ask John “What is NAVWAR?” and “How Does PNT fit in with our Ground Forces?”.