The technologies employed and being developed vary from agency to agency, depending on the task for which each is responsible. The fast-growing need for interdiction, the large variety of sensors and platforms now being used or planned for in the future, and the dozens of local, state, and federal agencies involved also has increased the need for shared intelligence at all levels through real-time networks, advanced communications systems, and artificial intelligence (AI). Today, the nation’s borders and coastlines are under constant surveillance from satellites and sensor-packed unmanned aerial vehicles (UAVs), aerostats, manned aircraft, boats, and ground vehicles. The days of monitoring these areas by human eyes alone, attempting to use sometimes-out-of-date paper to identify repeat offenders and known criminals, are over (although still a vital part of the effort). Autorities must defend the long and largely isolated northern and southern land borders, thousands of miles of coastline, and the nation’s vast airspace. Yet technology, not politics, is one of the most important topics for those tasked with securing the borders, countering the influx of illegal drugs and other contraband, and containing a flood of people from all over the world.
border security and immigration control is one of the hottest - and most divisive - political topics in America today. Department of Homeland Security relies on a variety of electro-optical cameras, lasers, chemical detectors, X-rays, and other sensors to limit entry of illegal immigrants, drugs, and other contraband.
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