US government has a plan to clean the air of radioactive and biological bombings by using the Boeing 747-100 Supertanker. And its already being tested.

We're doing some testing on cloud knockdown, sort of a Chernobyl-type [1986 Chernobyl nuclear plant's reactor meltdown, which resulted in a big radioactive billow that reached Northern Europe] event.

I don't know about this, but I sure hope this doesn't happen. Well, at least there's a plan.

[Technology via Flightglobal]