Season 05 · Episode 07 · Defense · 51 min
AI in Defense: The Deterrence Equation.
In his first appearance on the show, General A. Mehta argues that deterrence was always a psychology problem, and asks what happens to psychology when the other side of the table is a machine.
November 15, 2023·With General A. Mehta (Ret.)
▶51:08§01Chapters
Introduction: A Soldier Among Engineers
Deterrence as Applied Psychology
Early Warning at Machine Speed
Signalling to an Algorithm
The Case for Slow Weapons
Advice to the Next Generation of Commanders
§02Show Notes
Recorded two years before the season seven premiere that made these arguments famous, this conversation catches General A. Mehta at the moment his thinking crystallised. Deterrence, he argues here, was never really about weapons. It was about legible minds: each side needed to believe it understood how the other decided. Machine-speed decision support makes minds illegible, and illegibility, not capability, is what keeps him awake.
The passage on signalling rewards close listening. States communicate through posture, through exercises, through what they conspicuously do not do. Every one of those signals was designed for human interpreters with human delays. The General works through what happens when the interpreter is a model trained on historical postures, and reaches a conclusion that anticipates by two years the wargame story he would tell on his return to the show.
His closing argument for 'slow weapons', systems deliberately engineered with human-speed checkpoints at escalatory thresholds, was considered contrarian when this aired. It has since appeared, uncredited, in at least two national defence reviews. Worth hearing in its original, unhedged form.
“Deterrence assumed a legible adversary. I can model a general I have met for thirty years. I cannot model his software.”
§03Transcript Extract
NISHANT:
General, you've said deterrence is not a military capability at all. That seems like a strange thing for a soldier to say.
GEN. MEHTA:
It is the most military thing I know. Deterrence is the art of installing a belief in another man's head: that aggression will cost him more than it gains. The missiles are merely the stationery the message is written on. For seventy years the message was read by humans, slowly, with fear and coffee and second thoughts. Every stabilising accident of the Cold War lived in that slowness.
NISHANT:
And now the reader is changing.
GEN. MEHTA:
Now the reader is a fusion engine that ingests my exercises, my satellite passes, my procurement filings, and produces an assessment in seconds. When I signal restraint, I no longer know what the machine on the other side does with the signal. Deterrence assumed a legible adversary. I can model a general I have met at conferences for thirty years. I cannot model his software.
NISHANT:
Your answer to this is what you call slow weapons, which sounds like heresy in a speed-obsessed profession.
GEN. MEHTA:
Deliberate heresy. At most rungs of the ladder, speed serves defence and I will take every millisecond. But at the escalatory thresholds, the points of no return, I want systems engineered to be slow on purpose: mandatory human checkpoints, dual confirmation, friction by design. We put speed bumps outside schools without considering it a betrayal of the automobile. The same humility should apply to the end of the world.
§ Keep listening
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