Swiss forces position air-surveillance equipment in the Alps near Davos, Switzerland, on Jan. 23, 2011, to protect the World Economic Forum. (Kecko) COLOGNE, Germany ― Swiss defense officials say they ...

SAN FRANCISCO – South Australia’s Oculus Observatory, which opened Dec. 9, houses the first in a planned global network of passive radars to track objects in orbit. Located near the River Murray Dark ...

Dr James Palmer, CEO of Silentium Defence, and Melissa Price, Australia's Minister for Defence Industry, with MAVERICK-M passive radar. (Silentium Defence) Australia's Silentium Defence has secured a ...

An unidentified participant walks past a poster advertising Lockheed Martin's F-35 stealth fighter over a Berlin skyline at the 2017 Berlin Security Conference. (John Macdougall/AFP via Getty Images) ...

The passive radar landing on Penghu. The Taiwanese military accidentally let slip a secret—and it hints at how Taipei plans to defend against China’s most high-tech warplanes in the event of war ...

Hensoldt has launched a deployable variant of its Twinvis family of passive radars called Twinvis Military Sheltered. (Hensoldt) Hensoldt has launched a new deployable variant of its passive radar ...

Thales Air Systems has been gathering operational experience with its new Homeland Alerter 100 passive surveillance radar—including use at a recent NATO live-flying exercise. The HA 100 discreetly ...

A German defense contractor claims it tracked two F-35 Joint Strike Fighters with a new type of radar system. Hensoldt says it tracked the new American jets for nearly 100 miles. While a considerable ...