Sasha’s Substack
Sasha Antonov\ud83c\uddfa\ud83c\udde6 Longreads about war, AI, and the future. Technology, drones, mobilization, media, and life inside an era of transformation.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 49 | Founded | a year ago | Last Issue | 12 days ago |
| Active | |||||
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sashaantonov.substack.comLatest Issues
What It Means to Live in Kyiv Under Attack
I stepped off the train at Kyiv Central Station and almost immediately saw several columns of smoke rising over different parts of the city after another attack.
People collected their bags, headed toward the metro, or called taxis. The st...
Lima: Ukraine’s Electronic Layer of Air Defence
In 2022, Ukrainian defence company Cascade Systems began developing an electronic warfare system that would later become known as Lima.
The company describes the origins of the project in straightforward terms: conventional air defence was...
Forty Days of Pressure in Russia’s Deep Rear
In late June 2026, Volodymyr Zelensky outlined a new period of pressure on Russia. Public messaging included the phrase “long-range sanctions,” but no specific list of future targets was disclosed.
The following forty days should ther...
Why Ukrainians Took to the Streets for Fedorov
Fedorov became a prominent figure long before his name became the focal point of the current defense policy crisis. Since 2019, he had led the Ministry of Digital Transformation — an institution that was effectively built from scratch. The...
Battle Data as Fuel for Military AI
Modern warfare produces more than destruction.
It produces data.
And this data is becoming one of the most valuable resources in 21st-century defense technology.
These are not laboratory datasets. Nor are they simulations or control...
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The writers behind this newsletter.
War, politics, and Defence Tech — from inside \ud83c\uddfa\ud83c\udde6 Ukraine.
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