Russia’s aircraft plants still turn out modern fighter-bombers and fighters, enough to partly cover its losses, Ukraine’s military intelligence agency HUR told Ukrainian news agency UNIAN, which published the reply on 23 October. Its older bombers are a different story. Russia has no serial production of new Tu-95s, Tu-22M3s, or Su-24s and keeps them flying through repairs and upgrades, so each one lost for good leaves a lasting gap, HUR said.

Ukraine’s Navy said its Neptune missiles hit six Su-34M bombers at Borisoglebsk airbase in Russia’s Voronezh Oblast overnight into 15 October. Zelenskyy later said four were destroyed and two damaged. The Su-34 is one of the jets that drop Russia’s glide bombs, heavy bombs fitted with wing-and-guidance kits, on Ukrainian positions and towns.

How fast Russia replaces its jets

Russia can probably deliver 10–15 Su-34s a year now, HUR estimated. Deliveries grew from eight in 2022 to 11 in 2023 and 12–14 in 2024. But the agency said that trend does not confirm the same pace today.

For the Su-35S fighter, HUR pointed to an average of about 11–12 a year in 2021–2025. It called that a rough benchmark, not an established 2026 output. Su-30SM2 and Su-57 production continues, but reliable rates cannot be determined. Su-30 figures also mix new builds with upgrades of older Su-30SMs, HUR noted.

What Russia had, and what it lost or saw badly damaged in 2026

By the end of 2025, Russia had about 125 Su-34 and Su-34M bombers, which HUR counts together. It also had 140–145 Su-30 jets of various versions, 135–140 Su-35S, and about 20 Su-57s, HUR estimated. These are only fleet estimates, not a guaranteed number of jets Russia can send on combat missions at the same time, the agency cautioned. Some are under repair or upgrade, and HUR is not disclosing the current fleet size.

HUR also named specific 2026 cases of Russian aircraft destroyed or critically damaged. A Tu-22M3 crashed in Irkutsk Oblast on 15 June. Strikes on Engels airbase on 17 July and 28 August hit two Tu-95MS. The first suffered critical damage to its tail section, and HUR treats the second as a probable irrecoverable loss.

The list also includes a Su-35 that Ukraine’s military says it shot down on 8 July, a claim backed by published materials showing debris. It adds a Su-57 crash in Moscow Oblast on 23 July and a collision of two Su-35S over Kursk Oblast on 7 September. Full official details on those two incidents are still missing, HUR noted. Strikes on several Su-57s and a Su-34 at Shagol airbase on 25 April, and on a Su-24 in Crimea on 7 September, were also reported, but the state of those jets is unknown, so counting them as destroyed would be premature, HUR said. The list, as published, leaves out the Su-34s at Borisoglebsk and the Tu-95MS that Russia’s defense ministry said crashed on takeoff in Amur Oblast in late September.

French and US maritime patrol planes are watching the western Black Sea, where drones keep hitting merchant ships, Romanian outlet Curs de Guvernare reported on 19 October, citing flight-tracking data. Romania blames Russia for the attacks, while Bulgaria says it cannot prove who launched them.

Ukraine’s three small Danube ports have kept its grain exports from collapsing further, and Russia has pounded those ports since the summer. The ships serving them are now being hit in the economic zones of two NATO members. Many were anchored near or heading to the Sulina Canal, which links the Danube to the sea. That puts the allied patrols over these waters in the middle of the fight over Ukraine’s grain trade.

Two patrol planes over the western Black Sea

A French Navy Atlantique 2 maritime patrol plane arrived in Constanța, Romania’s main Black Sea port, on the evening of 18 October, Curs de Guvernare said. On 24 October, French Foreign Minister Jean-Noël Barrot said in the Bulgarian port of Varna that a French patrol plane had been operating in the area under NATO for two weeks and had contributed to rescue operations.

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Two tankers burn off Romania’s Sulina as Bulgaria says it lacks proof Russia is behind the Black Sea ship attacks

Meanwhile, a US Navy P-8A Poseidon flew into Varna from Sicily on 18 October, AFP reported, citing flight-tracking data. Two days later, Bulgarian Prime Minister Rumen Radev said it had begun reconnaissance patrols after Sofia asked allies for help, and that some allies had responded quickly. Bulgarian Defense Minister Dimitar Stoyanov called the deployment a joint decision of Bulgaria and NATO. He said the plane cannot strike targets and passes its data to NATO, Anadolu Agency reported.

NATO promises more

On 20 October, NATO’s North Atlantic Council met at Romania’s request. Afterward, the alliance said it would send more maritime patrol aircraft, radar systems, and drones to the Black Sea. NATO military spokesman Col. Martin O’Donnell added that allies have sent or will send intelligence personnel and explosives-forensics teams. NATO itself has not attributed the attacks to any country.

Romania names Russia, Bulgaria hedges

Romania has been blunter. On 15 October, after four merchant ships were hit within a day, acting Foreign Minister Oana Țoiu wrote on X that “Russia bears full responsibility for these developments.” On 17 October, Romanian F-16s shot down two jet-powered Russian Geran drones near Sulina, Romania’s Defense Ministry said.

On 23 October, a drone sank the cargo ship Khoryv off Constanța, killing a Ukrainian sailor, and President Nicușor Dan blamed Russia too. “It is part of Russia’s escalation process in its war in Ukraine,” Dan said.

Bulgaria is more cautious. Radev told parliament on 14 October that the attacks worked in Russia’s favor but that Sofia could not prove it. Since taking office in May, he has sought a thaw in ties with Moscow.