Links:

1. "Not So Disruptive After All: The 4IR, Navies and the Search for Sea Control," Dr. Ian Bowers and Dr. Sarah Kirchberger, Nov. 25, 2020

2. "Advancing Autonomous Systems: An Analysis of Current and Future Technology for Unmanned Maritime Vehicles," Bradley Martin, Danielle Tarraf, Thomas Whitmore, Jacob DeWeese, Cedric Kenney, Jon Schmid, and Paul DeLuca, 2019.