Ukrainian soldiers fire in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers fire in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers fire in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

A Ukrainian soldiers passes by local residents who evacuate from the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers leave a shelter in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers prepare ammunition in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers fire in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers unload ammunition in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Dmytro Kotsyubaylo, call sign DaVinci, legendary commander of the Right Sector's 1st separate assault company who was awarded the title Hero of Ukraine, stands near an APC in the recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Smoke raises in the front line close to recently retaken Kupiansk in the Kharkiv region, Ukraine, Thursday, Sept. 22, 2022. Russian and Ukrainian forces exchanged missile and artillery barrages on Thursday as both sides refused to concede ground despite recent military setbacks for Moscow and the toll on the invaded country after almost seven months of war. (AP Photo/Kostiantyn Liberov)

Ukrainian soldiers look at a BM-21 'Grad' multiple rocket launcher in eastern Ukraine on September 22, 2022, amid the Russian invasion of Ukraine. (Photo by Juan BARRETO / AFP)

Ukrainian soldiers ride a tank in eastern Ukraine, on September 22, 2022, amid the Russian invasion of Ukraine. (Photo by Juan BARRETO / AFP)

A Ukrainian helicopter flies in Donetsk region, on September 22, 2022. (Photo by Anatolii Stepanov / AFP)

A Ukrainian helicopter flies in Donetsk region, on September 22, 2022. (Photo by Anatolii Stepanov / AFP)