Logistics & deep-rear interdictions (depots, rail, ferries, ports, airfields, oil, AD, naval, EW)
Key Questions
What recent Ukrainian strikes targeted Russian logistics and infrastructure?
Ukrainian forces, including UA/SBU/HUR, conducted strikes on Primorsk (3x20k tanks/Lukoil/Sheskharis fires in Baltic/Novorossiysk), Krasnodar frigate on Apr5, Makarov frigate on Apr6 in Novorossiysk, and Crimea targets like Be-12/S-400/Kerch. Additional hits included Ust-Luga/Primorsk/CPC (affecting 25% of RU exports), graphite bomb claims on Donetsk grids, and Kharkiv depot. Russian reports confirm drone attacks on oil terminals and frigates in Novorossiysk.
Which Russian frigates were struck by Ukrainian drones?
Ukrainian drones struck the Krasnodar frigate on April 5 and the Admiral Makarov frigate on April 6 in Novorossiysk, as reported by General Staff and naval news. These strikes aimed to disrupt missile attacks from the Black Sea Fleet. It marks the second hit on Makarov within five weeks.
What oil infrastructure was affected in recent Ukrainian attacks?
Strikes hit Novorossiysk oil terminal, Lukoil/Sheskharis in Primorsk, and Caspian Pipeline Consortium (CPC) Black Sea terminal, causing fires and damaging 25% of Russian exports. Ukrainian drones triggered fires at key Black Sea oil terminals. Russia confirmed attacks on CPC's marine terminal.
What are the graphite bomb claims in Donetsk?
Claims involve Ukrainian graphite bombs targeting Donetsk power grids, with experts examining the reports from April 7. These non-explosive munitions aim to short-circuit electrical infrastructure. Details remain unverified.
How did Ukraine target Russian ports and naval assets?
Attacks focused on Ust-Luga, Primorsk, Novorossiysk ports, and Crimea airfields/AD systems like Be-12 and S-400 near Kerch. Drones hit a military-linked radio factory in Stavropol Krai and frigates in Novorossiysk. Ukrainian navy reports no Russian ships in Azov-Black Sea waters post-strikes.
What Russian responses or counterstrikes were noted?
Russia struck Ukrainian railways 206 times in March (unverified) and lost an An-26 over Crimea. A Russian grain ship sank in Sea of Azov after suspected drone strike. ISW assessed ongoing Russian offensive on April 6.
What impact did strikes have on Russian Black Sea Fleet?
Ukraine hit missile-carrying frigates like Makarov and Krasnodar, potentially damaging the best remaining warships. No Russian ships reported in Azov-Black Sea waters afterward. Strikes included mass air/sea drone attacks on oil rigs and ports.
Were there strikes on Russian military production?
Ukrainian drones hit a military-linked radio factory in Stavropol Krai and An-26 transport over Crimea. Fires reported at Primorsk tanks and Novorossiysk facilities. These deep-rear interdictions targeted depots, rail, and airfields.
UA/SBU/HUR strikes escalate: Stavropol Signal radio factory (EW systems, fire confirmed); Primorsk 3x20k tanks/Lukoil/Sheskharis fires (Baltic/Novorossiysk), Krasnodar frigate Apr5, Makarov Apr6 Novorossiysk, Crimea Be-12/S-400/Kerch; Ust-Luga/Primorsk/CPC (25% RU exports); graphite bomb claims on Donetsk grids; Kharkiv depot. RU strikes UA railways 206/Mar. (unverified)