Sea drones have become a crucial component of Ukraine's defense toolkit, and co-production with a NATO ally could enhance long-term output and deepen European defense-industrial cooperation at sea.

According to Ukraine's Coordination Headquarters for the Treatment of Prisoners of War, Russia had mobilized 18,092 foreigners from 128 countries as of October.

The drones are operated by the SBU's Special Operations Center "A" (Alpha), according to the agency.

Kirill Dmitriev, Russian President Vladimir Putin's special envoy, met with U.S. President Donald Trump's envoy Steve Witkoff and son-in-law Jared Kushner, Reuters reported on Dec. 20, citing a Russian source.

According to the Ukrainian Air Force, Russia targeted Ukraine overnight with three Iskander-M ballistic missiles launched from occupied Crimea and 51 attack drones.

SSO drones also hit a Russian oil platform located at the Filanovsky oil and gas field in the Caspian Sea. The platform is owned by Russian oil company Lukoil and is used for oil and gas extraction.

Russia has lost around 1,195,610 troops in Ukraine since the beginning of its full-scale invasion on Feb. 24, 2022, the General Staff of Ukraine's Armed Forces reported on Dec. 20. The number includes 1,090 casualties that Russian forces suffered over the past day. According to the report, Russia has also lost 11,433 tanks, 23,769 armored fighting vehicles, 70,721 vehicles and fuel tanks, 35,287 artillery systems, 1,575 multiple launch rocket systems, 1,263 air defense systems, 432 airplanes,

President Volodymyr Zelensky said on Dec. 19 that Ukraine knows where the Oreshnik would be deployed in Belarus and is sharing this information with its Western allies.

Ukrainian forces counterattacked near Lyman in Donetsk Oblast, the Third Army Corps said, claiming an entire Russian regiment was destroyed and prisoners were taken.

Ukraine's Security Service (SBU) has struck a Russian military airfield in occupied Crimea, reportedly destroying air defense equipment worth hundreds of millions of dollars, the agency said in a Telegram post on Dec. 18.

Ukrainian forces have regained control over 16 square kilometers (6.2 square miles) in the northern part of Pokrovsk, Commander-in-Chief Oleksandr Syrskyi said on Dec. 17 following his participation in the 32nd Ramstein-format Defense Contact Group meeting.

Bakhmutka River emerges as Siversk’s last line of defense as Russia presses assault

For the first time, Ukrainian underwater drones have successfully attacked a Russian submarine, Ukraine’s Security Service (SBU) reported on Dec. 15.

A KIIS poll found 75% of Ukrainians rejected a Donbas pullback plan without security guarantees, while most supported freezing the front line with strong protections.

A thermal power plant in Belgorod, known as "Luch", was damaged during a wave of drone attacks on Russian territory overnight on Dec. 15, Astra reported, citing local residents.