The great Dept of Homeland Security

[TulsaFan-inTexas]

The US government's website www.ready.gov. displays public service symbols for terrorism readiness, in the tradition of the old "duck and
cover" campaigns after WWII. The fun thing is that these pictures are so ambiguous they could mean
anything. Here are a few guesses about what they mean:
Sorry for the poor quality of some. I captured them from a pdf someone sent.