A police officer and drivers keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day in central Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

Drivers stop their cars and passerby bow their heads to keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

A police officer and drivers keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day in central Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

A police officer and drivers keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

People hold photos of their relatives soldiers to keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day at the improvised war memorial in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

People react during a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day at the improvised war memorial in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

People hold photos of their relatives soldiers to keep a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day at the improvised war memorial in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

People react during a nationwide minute of silence in memory of fallen soldiers, who defended their homeland in war with Russia, on Defenders Day at the improvised war memorial in Independence square in Kyiv, Ukraine, Tuesday, Oct. 1, 2024. (AP Photo/Efrem Lukatsky)

Attendees hold portait placards and sing the national anthem of Ukraine as they observe a minute of silence at the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", in the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold candles and sing the national anthem of Ukraine as they observe a minute of silence at the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", in the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards at the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Two attendees hug each other at the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Drivers and passengers stop to stand out of their car for a minute of silence next to the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards as they observe a minute of silence at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards as they observe a minute of silence at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Two attendees hug each other at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees hold portrait placards as they observe a minute of silence at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

People visit the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

A woman touches a Ukrainian flag attached to a portrait as she visits the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

This photograph taken on October 1, 2024 shows sunflowers and Ukrainian flags at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv. (Photo by Roman PILIPEY / AFP)

Attendees observe a minute of silence at the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

A woman holding a portrait visits the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Attendees visit the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Colombian Members of the Armed Forces of Ukraine visit the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

A Colombian member of the Armed Forces of Ukraine displays a flag as he visits the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

A Colombian member of the Armed Forces of Ukraine visit the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Members of the Armed Forces of Ukraine visit the memorial area for commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

Members of the Armed Forces of Ukraine visit the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

A boy wearing a Ukrainian flag visits the makeshift memorial commemorating Ukrainian and foreign fighters on "Defenders Day", at the Independence Square in Kyiv, on October 1, 2024. (Photo by Roman PILIPEY / AFP)

In this photo taken from video released by Russian Defense Ministry Press Service on Monday, Sept. 30, 2024, the Buk-3M self-propelled, medium-range surface-to-air missile system prepares to fire at an undisclosed location in Ukraine. (Russian Defense Ministry Press Service via AP)

A wounded serviceman flanked by relatives attends a march marking Defenders' Day of Ukraine in Kyiv, on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Local residents carry portraits of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv, on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Local residents carry portraits of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine near Saint Michael's Golden-Domed Cathedral in Kyiv, on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

People pay their respects before the Memory Wall of Fallen Defenders of Ukraine during the march marking Defenders Day of Ukraine in Kyiv, on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Activists carry flags with images of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Local residents carry portraits of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Activists carry flags with images of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Activists carry portraits of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

Activists carry portraits of fallen Ukrainian servicemen during a march marking Defenders' Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)

People pay their respects before the Memory Wall of Fallen Defenders of Ukraine during the march marking Defenders Day of Ukraine in Kyiv on September 28, 2024, amid the Russian invasion in Ukraine. (Photo by Sergei SUPINSKY / AFP)