WI, for whatever reason, the H bomb wasn't a practical proposition and the 'best' available was a boosted fission weapon? IIUC the largest weapon of this type was tested by the British in 1957 at 720kt, which although enough to glass a city doesn't stack up to Tsar Bomba or Bravo.
How does the arms race progress, do we have more reliance on bombers in order to tote the big bombs needed for megaton range nukes? Do we get MIRV missiles? When nukes are less powerful by a factor of 10-20 do they get used during the Cold War?
How does the arms race progress, do we have more reliance on bombers in order to tote the big bombs needed for megaton range nukes? Do we get MIRV missiles? When nukes are less powerful by a factor of 10-20 do they get used during the Cold War?