![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmhXeYzhAIkkxnHI3crlsED1I60HbvQuJLI2KabPuUFlOqdYxxrLRM87KvT8Af0h0pt0fdbLJ9WBHz-4iHrWp6DHHuSzcKCgnTi0tperwt2-tkRIlYa62-1fbNC6jl87L2uwurQ0VT6JNd/s400/B83_nuclear_bomb_trainer.jpg)
Put into service in 1983 the B-83 has an adjustable warhead with yields in the low Kiloton range up to 1.2 Megaton ( =1,200,000 tons of TNT) 650 were built and they remain in service. These days, if America air dropped a nuclear weapon on your head, it would probably be one of these.