Incident of National Significance (INS) 1
Incident of National Significance (INS) 1 : "An actual or potential high-impact event that requires a coordinated and effective response by an appropriate combination of Federal, State, local, tribal, nongovernmental, and/or private-sector entities in order to save lives and minimize damage and provide the basis for long-term community recovery and mitigation activities". (USCG, IM Handbook, 2006, Glossary 25-11/12)