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    ID 378319635 © Yauhen Akulich | Dreamstime.com
    A meteorologist examines colorful weather radar maps on high-resolution monitors.
    John Keller
    June 6, 2025
    Weather Service wants to pay only for weather data by subscription, while contractors pay costs of systems development, operations, and maintenance.

    RF/Analog

    The Boeing Orca Extra Large Unmanned Undersea Vehicle (XLUUV) has been developed for long-endurance undersea surveillance missions.
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    Sonar Technicians monitor the screens aboard the Arleigh Burke-class guided-missile destroyer USS Lassen (DDG 82) during UNITAS LXIII in 2022.
    ID 293416438 © Ian Lott | Dreamstime.com
    The future Nuclear-Armed, Sea-Launched Cruise Missile-Nuclear (SLCM-N) will launch from surface ships like the destroyer USS Paul Ignatius (DDG 117), shown here.
    The Siglent SHA860A series can handle frequencies to 7.5 GHz with 110 MHz of real-time bandwidth for cell phone tower test and measurement.
    An Army soldier interacts with a Korean weapons simulation in South Korea last fall.
    The Northrop Grumman AN/APR-39 family of radar warning receivers is for Navy fixed-wing aircraft, helicopters, and naval vessels.
    U.S. Army National Guard artillerymen fire a M109A7 Paladin self-propelled howitzer at Fort Bragg, N.C., last March.
    John Keller
    May 27, 2025
    The M109A7 has a state-of-the-art digital backbone and power generation capability, and can fire high-explosive shells or battlefield illumination.
    An AC-130J Ghostrider is loaded into the Benefield Anechoic Facility at Edwards Air Force Base last March for electronic weapons countermeasures testing
    John Keller
    May 23, 2025
    ARA will provide a 2-to-18-GHz antenna system able to change polarizations and beamwidths with a large dynamic range in its effective radiated power.
    NASA/JPL-Caltech/ESA/Harvard-Smithsonian CfA
    NASA is seeking enabling technologies that could apply not only to space exploration, but also to commercial applications on Earth.
    John Keller
    May 22, 2025
    Technologies are for space and aviation missions, as well as for their potential for commercial land, sea, and aviation uses on Earth.
    An SM-3 Block 1B missile launches from the guided-missile cruiser USS Lake Erie (CG 70) during a 2013 Missile Defense Agency and U.S. Navy test in the mid-Pacific. The ship is set for decommissioning sometime this year.
    John Keller
    May 22, 2025
    The hit-to-kill SM-3 missile hits and destroys its incoming ballistic missile target with the power of a 10-ton truck traveling at 600 miles per hour.
    The NASA Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) captured this image of the Sacramento-San Joaquin River Delta, Calif., in which red indicates vegetation, dark blue indicates water, and blue-gray areas indicate buildings and paved surfaces.
    John Keller
    May 21, 2025
    MUSTER seeks to develop and test electro-optical and RF sensors for future air, space, and command-and-control systems for time-sensitive targeting.