Key developments on June 21-22:
- 'Ukrainian drones for the foot of every Russian soldier' — Zelensky responds to Putin's threat to conquer all of Ukraine.
- 3 killed, 14 wounded as Russia strikes Ukrainian military training facility.
- Russia seeks to advance along almost entire eastern front, Ukraine holding ground in Kursk Oblast, Syrskyi says.
- Ukraine approves Termit ground drone for battlefield deployment.
- Ukraine's deep strikes cost Russia over $10 billion this year, Syrskyi says.
- Ukraine destroys 80% of Russian drones despite air defense missile shortage, Syrskyi says.
President Volodymyr Zelensky on June 21 responded to Russian President Vladimir Putin's recent statements on Ukraine, saying that Ukraine intends to defend itself and that the government had made several decisions to bolster security in light of the Kremlin's threats.
Putin said "all of Ukraine" belongs to Russia in a speech on June 20 at the St. Petersburg International Economic Forum, pointing to Moscow's maximalist territorial ambitions in Ukraine.
"Wherever the foot of a Russian soldier steps is Russian land," he said.
In his evening address on June 21, Zelensky described Putin's speech as a "performance" but said Ukraine was taking the threats seriously.
"But when a murderer says he wants to kill, we take it seriously and will respond together with our partners," Zelensky said.
"I hope with all our partners," he added, likely referring to the United States' diminishing support for Ukraine under U.S. President Donald Trump.
Zelensky said he held meetings with Vasyl Maliuk, head of the Security Service of Ukraine (SBU), Commander-in-chief Oleksandr Syrskyi, and Foreign Minister Andrii Sybiha about how to bolster Ukraine's defense and international support.
"Of course, we will find Ukrainian drones for the foot of every Russian soldier," he said. "Of course, Ukraine will defend itself."
The Ukrainian government has made several decisions in light of Russia's overt threats, Zelensky said. These include a complete diplomatic overhaul and transformation of Ukraine's Foreign Ministry, intensified efforts to coordinate international sanctions, and more funding for drone development.
Kyiv's instructions for the SBU remain confidential, Zelensky said.
Tim Zadorozhnyy
3 killed, 14 wounded as Russia strikes Ukrainian military training facility
Russia launched a missile attack on June 22 on the training ground of a Ukrainian mechanized brigade, where military personnel were being trained, the Ground Forces reported.
"Unfortunately, there are dead and wounded," the statement read. The Ground Forces said that greater personnel losses were avoided thanks to the timely security measures taken when the air raid alert was issued.
Around 5:30 p.m., the Ground Forces initially said that three people were killed in the attack and 11 were wounded.
The number of injured was later updated, at around 7:30 p.m., to 14 people.
A special commission has been set up at the Ground Forces Command to investigate the incident, according to the statement. Law enforcement agencies are also working at the scene.
It is the second officially confirmed Russian attack in June that led to military casualties in the training facilities, adding to a chain of such attacks in the past few months.
Former Ground Forces Commander Mykhailo Drapatyi had promised to ensure new safety standards on the training grounds and hold accountable those responsible for the deaths after a Russian strike on March 1 on the training ground in Dnipropetrovsk during exercises.
Yet on May 20, another Russian missile strike against a shooting range in Sumy Oblast killed six service members and injured over 10, according to Ukraine's National Guard.
After another Russian attack on June 1 on a Ukrainian military training ground killed 12 and injured 60, Drapatyi submitted his resignation as the Ground Forces Commander. He was appointed Commander of the Joint Forces on June 3.
Ukraine's swift release of the statement and casualty number in the latest Russian attack stands out, as both Ukraine and Russia rarely acknowledge successful enemy attacks against their military facilities.
Natalia Yermak
Russia seeks to advance along almost entire eastern front, Ukraine holding ground in Kursk Oblast, Syrskyi says
Russian forces are attempting to advance along almost the entire front in eastern Ukraine while trying to establish a buffer zone in northeastern Sumy Oblast, Commander-in-Chief Oleksandr Syrskyi told journalists on June 21.
The comments come as Moscow launched a new summer offensive against Ukraine, disregarding calls by Kyiv and its Western partners for an unconditional ceasefire.
The offensive's goal is to reach the administrative borders of Donetsk and Luhansk oblasts in the east, and create a buffer zone in the border areas of the Sumy and Kharkiv oblasts, Syrskyi said at a meeting attended by the Kyiv Independent.
As of mid-June, Ukrainian defenders are fighting close to 695,000 Russian troops in Ukraine across a 1,200-kilometer (750-mile) front, the commander said, adding that Moscow recruited about 440,000 contract soldiers this year.
According to the open-source intelligence group DeepState, Russian forces occupied approximately 449 square kilometers (173 square miles) in May, the highest monthly figure this year.
Ukraine has managed to stop the Russian advance in Sumy Oblast at the moment, Syrskyi noted. "The situation there has been stabilized... we have recaptured Andriivka, and advanced between 200 and 700 meters in Yunakivka in a week," he said.
Russian forces are also attempting to fully oust Ukrainian troops from Russia's home territory in the Kursk and Belgorod oblasts.
"We control about 90 square kilometers (35 square miles) in the Glushkovsky district of Russia's Kursk Oblast," Syrskyi said.
Ukraine launched the cross-border offensive into Kursk Oblast — bordering Ukraine's Sumy Oblast — last August, initially seizing 1,300 square kilometers (500 square miles) but losing the vast majority of this territory in a Russian counteroffensive earlier this year.
Moscow initially declared to have fully liberated the region on April 26, but this claim was rejected by Ukraine and later disputed by Russian officials themselves.
Kyiv has said the incursion was meant to preempt a Russian offensive into Sumy Oblast and force Russia to redirect troops fighting in Donetsk Oblast.
Syrskyi stressed that at one point, the Kursk operation drew in almost 63,000 Russian soldiers, which, in addition to North Korean soldiers, amounted to about 70,000 troops deployed in the region.
"In April 2025, Russian units – and this, I remind you once again, is about 60 thousand people... were tasked with moving to new sectors and reinforcing Russian assault groups in the Pokrovsk, Toretsk, Lyman, Zaporizhzhia, and Kherson directions," Syrskyi said.
"But our actions in the Glushkovsky district of Russia's Kursk Oblast thwarted these plans." At the moment, about 10,000 Russian soldiers are fighting in the Glushkovsky district, the commander added.
Syrskyi also said Russian assault units approached the administrative border of Dnipropetrovsk Oblast but were thrown back.
"As for our plans and intentions. Of course, we will not simply remain in a blind defense... Therefore, we combine defensive actions with active defense and active offensive operations," Syrskyi said.
For this purpose, the Ukrainian military is scaling up its assault units, which were created at the beginning of the Kursk operation and are currently deployed in all areas of the front, he added.
Abbey Fenbert
Ukraine approves Termit ground drone for battlefield deployment
Ukraine's Defense Ministry has officially approved the new domestically produced unmanned ground vehicle, known as the Termit, for front-line use, the ministry announced on June 21.
The tracked robot is a next-generation version of Ukraine's existing ground-based unmanned systems already deployed across the front. These systems have supported operations by transporting supplies, conducting reconnaissance, and carrying explosives in contested areas.
Termit, the newest model in the series, features improved mobility and modularity. The drone can carry up to 300 kilograms and operates on various terrains thanks to its low profile, tracked design, and improved weight distribution.
Its traction battery system allows for several hours of continuous movement over dozens of kilometers. According to the Defense Ministry, Termit drones can be equipped with combat modules, used for medical evacuations, or for transporting specialized equipment as needed.
Ground drones such as Termit are being used more frequently to minimize soldier exposure to front-line risks. Since Russia's full-scale invasion in 2022, Kyiv has prioritized the development of unmanned systems across all domains — air, sea, and land.
President Volodymyr Zelensky has called for the production of at least 30,000 long-range drones in 2025, alongside expanded investment in strike-capable hybrids such as the Palianytsia and Peklo missile-drone platforms.
Tim Zadorozhnyy
Ukraine's deep strikes cost Russia over $10 billion this year, Syrskyi says
Ukrainian strikes deep inside Russian territory between January and May have cost Russia over $10 billion, including $1.3 billion in direct damage to industrial facilities and infrastructure, Commander-in-Chief Oleksandr Syrskyi told journalists on June 21.
The indirect damage caused by the disruption of Russian industrial activities is estimated at $9.5 billion, putting the cost-to-result ratio of Ukrainian deep strikes at 1:15, Syrskyi said at a briefing attended by the Kyiv Independent.
Kyiv has ramped up drone attacks against Russian military and industrial sites far behind the border as part of its DeepStrike strategy, seeking to undermine Moscow's ability to wage war.
The attacks targeted Russia's oil refining sector, the fuel and lubricants facilities, energy and transport support, and strategic lines of communication.
"Remember that during negotiations, the Russian side listed a halt to strikes against the oil refining industry as one of the conditions. This shows that our strikes are truly effective," Syrskyi said.
Oil and gas exports are among Russia's key revenue sources and play a crucial role in sustaining its war effort.
"Of course, we will continue (attacking deep inside Russian territory). We will increase the scale and the depth," the commander added, stressing that the attacks target solely military facilities.
Ukraine has increased the production of long-range drones with the support of Western partners and developed new tactics in striking Russia behind the lines.
In one of the most audacious attacks, the Security Service of Ukraine (SBU) on June 1 struck dozens of Russian bombers and other aircraft across four different air bases in an operation dubbed Spiderweb. SBU drones were smuggled to Russia in trucks and then deployed to attack airfields thousands of kilometers from the Russia-Ukraine border.
Kateryna Denisova
Ukraine destroys 80% of Russian drones despite air defense missile shortage, Syrskyi says
Ukraine is downing approximately 82% of Russian Shahed-type drones during Russian massive aerial attacks on Ukrainian cities despite a serious shortage of surface-to-air missiles, Commander-in-Chief Oleksandr Syrskyi told journalists on June 21.
Ukraine needs to have many times more surface-to-air missiles and anti-aircraft missile systems to ensure reliable defense of cities and critical infrastructure facilities, Syrskyi said at a briefing attended by the Kyiv Independent.
Russian attacks against Ukraine have surged in May and June as Moscow has launched several record-breaking mass strikes against Kyiv and other cities. The latest attack on June 17, primarily targeting the capital, killed 30 people and injured over 170.
"Since we have to save anti-aircraft guided missiles, mobile fire groups are the priority for defending from the Shaheds," Syrskyi said.
Despite Russia's changing tactics of massive air attacks, mobile fire groups account for the largest share of destroyed drones. The fire groups' effectiveness is up to 40%, according to Syrskyi.
Aviation is used almost every night to repel Russian air attacks, featuring the Defense Forces' helicopter crews and fighter aircraft of the Air Force, which includes U.S.-made F-16 and French Mirage-2000 aircraft.
"One promising area in countering Shaheds is the use of light aircraft," Syrskyi said, adding that "there are new projects thanks to financial and material assistance from our foreign partners."
"We are receiving modern light aircraft, which have modern weapons and navigation, which will increase the effectiveness in countering Russian strike drones."
Syrskyi stressed that "cooperation with partners, primarily Canadian ones, enables us to obtain modern surveillance and targeting systems that enhance the combat capabilities of our helicopters."
Regular Air Force reports show that the majority of Russian drones are intercepted during overnight attacks, some by air defenses and others by electronic warfare systems. However, these reports do not always clarify how many of the intercepted drones were actual attack drones and which were only decoys launched to overwhelm air defenses.
Ukraine works to develop other means of protection against Russian air raids in the non-front-line oblasts as it scales up the use of interceptor drones.
Syrskyi said that over five types of interceptor drones have been cleared for use in the army, and new units are being formed and taught to operate them. Some of these Air Force units have already downed dozens of Russian Shaheds, according to Syrskyi.
The effective use of interceptor drones is hindered by the lack of tactical radar systems in Ukraine, such as Israel-made radars by RADA Electronic Industries and their analogues.
Syrskyi said the Ukrainian army needs hundreds of tactical radar systems instead of the few currently in service for radar reconnaissance, which is key to the use of interceptor drones.
Abbey Fenbert
(Updated: )
