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Tropical Storm Bertha heads for land as Hurricane Fausto forms in eastern Pacific

Bertha could bring heavy rain on US Gulf coast, with its center located 110 miles south of Panama City, Florida

Tropical Storm Bertha formed Monday evening in the Gulf of Mexico south of the Florida Panhandle as it drifts erratically toward populated coastal areas, bringing a threat of heavy rain, storm surge and damaging wind gusts.

Meanwhile, in the eastern Pacific Ocean, Hurricane Fausto formed far from Mexico’s Baja California peninsula and posed no threat to land Monday night.

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© Photograph: National Oceanic and Atmospheric Administration/AP

© Photograph: National Oceanic and Atmospheric Administration/AP

© Photograph: National Oceanic and Atmospheric Administration/AP

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Ukraine’s new combat robot is silent, fits in minivan, and carries MK19 grenade launcher

Ukraine's Defense Ministry has codified the new "Zmii Mini Strike" reconnaissance-strike ground robotic system. Source: Ukraine's Defense Ministry

Ukraine put a grenade launcher on a robot that fits in the back of a minivan. Ukraine's Defense Ministry has codified the new "Zmii Mini Strike" reconnaissance-strike ground robotic complex for fire support and destroying enemy personnel and armor.

The platform's base configuration mounts an MK19 automatic grenade launcher — a weapon that delivers high kinetic energy, offers a wide range of round types, and can fire accurately from concealed positions.

It runs on a silent electric motor, carries day and thermal cameras, and is compact enough to fit in a minivan's luggage compartment, a pickup bed, or a standard car trailer without special transport equipment.

Ukraine develops more and more robots every month 

Its design draws on more than four years of full-scale war and analysis of how ground robots actually perform in combat, and its engineers worked with one of Ukraine's most effective combat brigades during development.

The Zmii line is not new. Earlier models are already running missions with Ukraine's Defense Forces, but this armed-strike variant is the newest entry.

The Zmii Mini Strike joins a ground-robot inventory that Ukraine is expanding almost weekly.

Silent and small is how robot survives to shoot

The silent electric motor and the compact size of the drone are survival traits rather than combat ones. A quiet robot is harder to detect by sound, and a small one is harder to spot and hit. At the same time, a platform that deploys and packs up fast spends less time exposed.

However, the connectivity can be the catch. Defense Ministry adviser Serhii "Flash" Beskrestnov has warned that ground robots operate in a far more challenging communication environment than aerial drones, because terrain, tree lines, and cover can break the control signal, and a robot that loses its link drops out of the fight. A silent, well-armed gunner is only as useful as the link that keeps it firing.

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