A closed beta is a limited release where only those who have been given access can test the software while an open beta or public beta is a free (as in liberty) release that allows anyone to download and try it out.
The Incident Command System (ICS) is a systematic tool used for the command, control, and coordination of an emergency response. ICS allows agencies to work together using common terminology and operating procedures for controlling personnel, facilities, equipment, and communications at a single incident scene.
The National Disaster Medical System (NDMS) is a section of the United States Department of Health and Human Services (HHS) responsible for managing Federal government's medical response to major emergencies and disasters. Emergency medical response by civilian medical teams, equipment, and supplies to a disaster area when local medical resources are overwhelmed. 2  Movement of ill and injured patients from a disaster area to areas unaffected by the disaster. 3  Definitive care of patients at hospitals in areas unaffected by the disaster.