I am not sure what you are asking?
Preexisting agency is under FEMA and according to their directives are only activated during emergency, not during peacetimes.
http://www.dtic.mil/whs/directives/corres/pdf/110006p.pdf
This EO seems to be a very wide expansion of their directive. No?
I was under the impression Clinton had one also. This one has quite the reach.