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 Army defines a command and control system as the. arrangement of personnel, information management, procedures, and equip-. ment and facilities essential to the commander to conduct operations (FM 6-0). The Army defines information systems as the equipment and facilities that.