“Russia’s $600 billion war chest is almost empty”: how long can the Ukrainian deep battle continue?

In recent weeks, Ukraine has stepped up its drone attacks on Russian targets, affecting fuel depots and weapons factories deep into the Russian interior. Are the Ukrainians making up for their losses at the front, and how long can they continue these attacks? Defense expert Roger Housen takes a closer look at the ‘deep battle’: “This could make Putin decide to sit around the negotiating table after all.” But what then?

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