Command and control systems comprising computer monitors, computer hardware and network access server operating software therefor, touch-sensitive flat panel display screens, liquid crystal displays, electric luminescent display panels, and peripherals comprising ethernet switches and computer network hubs; communications and intercommunications systems comprising temperature sensors, proximity sensors for position and distance determinations, data collection nodes for performing analog-to-digital conversion and outputting of data over a standard 10/100 base-T ethernet connection, video cameras, and computer hardware and operating system software therefor for the movement and transfer of data wirelessly from a LAN to a variety of mobility platforms and dismounted end users; wireless systems comprising access points for connecting network computer users, computer hardware in the nature of wireless access point (WAP) devices, hand-held systems comprising personal digital assistants; video systems comprising video cameras and forward-looking infrared cameras, audio systems comprising video tape recorders; thermal and infrared systems comprising thermal and forward-looking infrared cameras; and local area network systems comprising computer hardware and network access server operating software therefor, and computer monitors; electric connectors, cable connectors, computer cables, and connection cables