Ukraine's Khartia brigade officer, who goes by callsign Kit, left, sits while his soldiers pilot drones in a shelter on the frontline near Kharkiv, Ukraine, late Thursday, Nov. 7, 2024. (AP Photo/Efrem Lukatsky)

Servicemen of Ukraine's Khartia brigade pack a Vampire drone with food and water to launch toward the frontline to Ukrainian positions near Kharkiv, Ukraine, late Thursday, Nov. 7, 2024. (AP Photo/Efrem Lukatsky)

Servicemen of Ukraine's Khartia brigade pilot drones in a shelter on the frontline near Kharkiv, Ukraine, late Thursday, Nov. 7, 2024. (AP Photo/Efrem Lukatsky)

Servicemen of Ukraine's Khartia brigade pack a Vampire drone with food and water to launch toward the frontline to Ukrainian positions near Kharkiv, Ukraine, late Thursday, Nov. 7, 2024. (AP Photo/Efrem Lukatsky)

A soldier of Ukraine's Khartia brigade, callsign Tolstiy, inspects a FPV drone in a drone repair workshop close to the front line in the Kharkiv region, Ukraine, Thursday, Nov. 7, 2024. (AP Photo/Efrem Lukatsky)