Defense Equipment/Products

Balloons get less attention as tools of possible Chinese espionage than cyber theft and paid informants. But outfitted as floating monitoring stations, they shed an image as old-fashioned…

LVIV, Ukraine—From his base at a century-old villa here, computer programmer Dmytro Zhlutenko fielded a call from the front line with an urgent request.A unit had lost one of the aerial…

WASHINGTON—More than three months after Russia started using large numbers of Iranian-made drones against Ukraine, the U.S. is struggling to supply effective systems that can meet the…

The next generation of rockets built to launch U.S. spy satellites into orbit will have to be capable of fending off interference by China and Russia, according to people briefed on a coming…

Elon Musk’s SpaceX is stepping up its efforts to win more national-security business after years of keeping its work under wraps.The Hawthorne, Calif.-based…

Jeff Bezos ‘s space company said it is making another run at the moon, after the National Aeronautics and Space Administration chose…

NASA’s Orion spacecraft approached the moon Monday morning, the agency said, as it maneuvered to enter a lunar orbit where it is expected to spend close to a week.Orion sped just 81 miles…

NASA’s Artemis I mission took a big step forward in the early morning hours Wednesday with a historic rocket launch that set the Orion spacecraft speeding toward a lunar orbit.The mission is…

Michael Brown, who led the Silicon Valley outpost of the Pentagon, has left the Defense Department to join early-stage venture firm…

When cellphones first started to grow in popularity in the late 1980s, it wasn’t clear if the network that powered calls would center on a terrestrial or satellite service. Neither system…