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The rush of innovative information technologies is both mandating a greater need for advanced security and spawning a new generation of potential solutions. The explosion in networking and wireless communications brings with it greater security requirements, and computing advances offer the potential for a range of new information assurance approaches.

While information technology experts have been hard at work securing the national infostructure, other key sectors in the United States' vital infrastructure may be vulnerable to attack through their own information systems. Critical elements such as ports, railroads, the electrical grid, fuel pipelines and hazardous materials facilities may be equipped with information systems that are virtual open doors to malicious marauders ranging from rookie hackers to al-Qaida terrorists.

The U.S. Defense Department has launched a new policy initiative designed to provide increased security and interoperability for wireless devices and systems. The undertaking provides rules for the use of commercial wireless equipment on government networks and emphasizes the adoption of open standards for wireless technologies.

Daring the world's robot builders and visionaries to design autonomous ground vehicles that could traverse the treacherous terrain of the Mojave Desert was not enough for the Defense Advanced Research Projects Agency. Always on the lookout for new ways to solve persistent problems, it is now taking its quest to the streets-the city streets, that is. Dubbing its latest competition Urban Challenge, the agency is enticing the mechanically inclined dreamers of the world with substantial cash awards to develop a driverless vehicle that can master the roads of a metropolis.

Binoculars may become the U.S. Navy's next tactical communications system. A prototype technology allows optical viewing systems to transmit voice, video and data communications on a beam of non-laser light. The equipment can be easily fitted to any commercially available binoculars and provides warfighters with a way to coordinate operations without relying on radios.

Military and humanitarian relief personnel now can reach out from the field more easily with a product that combines voice and data communications capabilities in a single box. The approximately 65-pound kit is field portable, ruggedized and self-cooling. It uses open architecture standards and can be applied to hastily formed networks, military operations, disaster response and medical relief efforts.

NATO nations are incorporating new military and commercial technologies to extend both the capabilities and the reach of the alliance's communications and information systems. But, many technological challenges lie ahead before the alliance and other allied nations can interoperate in coalition operations. And some cultural barriers found at the heart of intelligence and military operations remain to be overcome.

Throughout its nearly 50 years in existence, NASA has taken great pride in operating at the cutting edge of technology in conducting important exploration and research missions for the nation. Now, with its new strategy to lead the way in extending the presence of human civilization throughout the solar system-beginning with the return of humans to the moon as early as 2018 and leading to the eventual human exploration of Mars-NASA will certainly be counting on a number of advanced technologies to go forward with its exploration activities.

Back in 1946 when AFCEA and SIGNAL Magazine were new, the number-one technology problem vexing military planners was to provide mobile communications to the warfighter. Now, 60 years later, we face exactly the same challenge. Even though all of the other factors of warfare have changed, that problem still persists.

Envision a future filled with millions of wireless nodes connected through a smart network that automatically adjusts to optimize communications performance. Achieving this reality would require developing low-cost devices and mitigating current weaknesses in networking technology. However, when this vision is realized, troops will be able to infiltrate areas devoid of communications infrastructure yet stay in touch with each other and platforms in the battlespace.