You would refer to the warheads on Minuteman 3 & PeaceKeeper ICBMs, Trident SLBMs, and B63/B81 bombs as "atomic bombs", would you not? All of the above are the

You would refer to the warheads on Minuteman 3 & PeaceKeeper ICBMs, Trident SLBMs, and B63/B81 bombs as "atomic bombs", would you not? All of the above are thermonuclear fusion weapons. The tactical nukes I believe you are referring to are the W54 Davey Crockett, W48 6.1" shell, and W79 8" shell, all pure linear implosion fission weapons. All of those have been out of service since 1992, though.