Soviet/Russian nuclear warheads with yield over 4.5 megatons Data source: http://www.johnstonsarchive.net/nuclear/multimeg.html#S4 System/warhead: R-16 (SS-7 Mod 1/2/3)type: ICBMIOC: Nov 1961weight (kg) 195megaton yield: ~6number built: 0-320…