Rockets still tend to go "boom" on the launchpad or shortly after launch at an uncomfortably high rate. A rocket carrying tons of radioactive waste that explod

Rockets still tend to go "boom" on the launchpad or shortly after launch at an uncomfortably high rate. A rocket carrying tons of radioactive waste that exploded 30 seconds after launch would create an environmental disaster that made Chernobyl look like a coffee spill.