Developing an emergency plan forces an organisation to consider possible threats and response options in a hollistic manner.
Emergency planning encompasses developing an organisational structure, drawing up a methodology, and developing procedures, checklists, forms, etcetera.
It is the starting point of a four step process of establishing 'Readiness'.

Training is all about the people who are supposed to act, learning to know what they are to do.

It is the third step in generating readiness .