To respond to emergencies you Have to first have a strategy, Staying safe and avoiding danger is the primary strategy. To support the strategy tactics are used.
Teamwork is the key to safety. To get teamwork the group has to be developed. The group has to care that security is important and be willing to work at it. The Four Step Security Training Management Process is what has to be done in order to have the teamwork needed to respond to emergencies. Managers and supervisors have to make sure that this process is followed to have coordinated and safe response. Security officers and employees need to participate and assist their managers and supervisors in developing a team response to danger.
This video covers what is involved with practical training. Practical training is a challenge and not everyone will get certified to be a security officer. Likewise, not everyone will be successful as an officer on the job.