Disclosure statement
No potential conflict of interest was reported by the author(s).
Notes
1. Editor’s note: Cheap is in the eye of the beholder. The cost of the low-yield nuclear warhead for a submarine-launched ballistic missile has been estimated at $11.8 to $18.2 billion. See: https://www.armscontrol.org/act/2021-04/news/us-nuclear-warhead-costs-surge