National Incident Management System, Triage, and Public-Private Partnerships

Emergencies pose many challenges for communities.  It is important for organizations to work together during a disaster or mass casualty.

Please answer the following questions:

Why are public-private partnerships important in the National Incident Management System?
During medical triage, which organizations or partnerships are involved in START triage?
What are some strategies to improve inter-agency communications and coordination between local, state, and federal governments?

supported by at least two references