The U.S. Army may soon use high-intensity acoustics to disperse crowds, confuse enemy troops and covertly communicate. These experimental devices project highly focused beams of sound that can relay a message audible only to the individual singled out to receive it or can serve as a nonlethal weapon to disorient an adversary.

The U.S. Army Communications-Electronics Command is experiencing multitasking firsthand as it strives to empower the Army's transformation while concurrently supporting combat operations half a world away. Fighting a war, developing new technologies, building in interoperability and assisting in homeland security all are part of the Fort Monmouth, New Jersey-based command's mission.

The U.S. Army is changing its combat philosophy to resemble more closely those of the other services. Instead of being the armored force that can absorb whatever an enemy hurls at it and respond in kind, the transformed Army will rely on advanced technologies to prevent an enemy from inflicting harm on U.S. forces. This new approach could include eluding adversaries and their weaponry, or striking first before the foe can bring its weapons to bear.

The increasing use of the World Wide Web as a platform for communication, e-commerce and procurement is paving the way for a new partnership between branches of the U.S. government and the commercial sector. The government is reviewing its procurement practices and related legacy systems and merging this analysis with its plans for Internet use. Studies indicate that by 2003, 60 percent of local, state and federal agencies could be participating in Internet procurement, and online government spending could climb to more than $6.5 billion annually by 2005.

The U.S. Defense Department is counting on small businesses to support its transformation, e-government and homeland security initiatives. Although the military is known for the procurement of large weapons and information technology systems, department acquisition officials recognize that success demands the innovation and support of hundreds of smaller, yet key, firms. Enlisting the expertise of these modest-size businesses enables the department and large companies to provide for the full spectrum of warfighter needs.

AFCEA International is the world's premier society for command, control, communications and information technology professionals. AFCEA serves some 138 chapters on four continents, and it is the individual chapter that serves the membership around the world. The chapter, with its board of directors and countless volunteers, provides the leadership and resources that really make events happen across the spectrum of government and private sector entities.

While weaving the thread of homeland security throughout the panel discussions at TechNet International 2002, speakers also expressed candid views about the problems that must be solved to make the best use of today's technical capabilities. Topics included network-centric warfare, biometrics, smart cards and emergency communications.

Battlefield applications of 21st century communications and information technology capabilities allow commanders to assess their own positions as well as the locations of enemies. Soldiers in the field can receive orders and take action in record time. However, an intense dialogue is in progress on how best to employ these technologies to win the war against terrorism.

Government and private industry are struggling to grasp different aspects of the same challenges as they implement network-centric operations. Whether involved with e-commerce or battlefield situational awareness, organizations stand to gain substantially from a networked information infrastructure. However, some solutions-architectures, protocols or security measures-that work in some areas may not be applicable to others.

Advances in visual processing may soon allow robot vehicles to travel autonomously across battlefields and city streets. Researchers are developing mathematical models that offer insight into how mechanical and biological systems interpret images for movement and navigation. The answers will provide a key to designing more sophisticated automated guidance systems for commercial and military use.