Dr. John Klein, callsign “Patsy,” is a Senior Fellow and Strategist at Falcon Research, Inc., and also instructs space policy and strategy courses at George Washington University’s Space Policy Institute, Georgetown University’s Strategic Studies Program, and Institute of World Politics at the undergraduate, graduate, and doctorate levels respectively. He routinely writes on space strategy, deterrence, and the Law of Armed Conflict. He is the author of the books Space Warfare: Strategy, Principles and Policy (2006), Understanding Space Strategy: The Art of War in Space (2019), and the recently released Fight for the Final Frontier: Irregular Warfare in Space (2023), along with a score of other book chapters and articles.

Patsy is also a retired Commander, United States Navy, receiving his commission through the NROTC program at Georgia Tech. He served for 22 years as a Naval Flight Officer, primarily flying in the S-3B Viking carrier-based aircraft. Patsy supported combat operations in Iraq and Afghanistan. His tours included the Executive Officer of Sea Control Squadron Twenty Four and the final Commanding Officer of Sea Control Weapons School.

Patsy holds a master’s in Aeronautical Engineering from the Naval Postgraduate School, a master’s in National Security and Strategic Studies from the Naval War College, and a PhD in Strategic Studies from the University of Reading, England. Patsy is a distinguished graduate of the U.S. Naval Test Pilot School. He has over 2,700 flight hours in 27 different type aircraft and over 600 carrier-arrested landings.