[1]https://www.reuters.com/article/us-usa-nuclear-pentagon-idUSKBN1ZY2EQ

   Jim Bell's comment:.  So, the Russians are complaining about low-yield
   nuclear missiles.  So, what should we do?  I know, call them and
   reassure them:. "Okay, we've replaced the micros with 1 megaton
   babies.   Feel better now, Ivan?".

References

   1. https://www.reuters.com/article/us-usa-nuclear-pentagon-idUSKBN1ZY2EQ