US officials believe that the progressive momentum of the Russian forces in eastern Ukraine slowed down due to serious casualties and Ukraine was equipped with stronger firepower than before.

The Russian forces and the separatist control of Lugansk province in eastern Ukraine in July, but Da Tien in Donetsk province next to the stagnation.

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Photo: RIA Novosti

US military officials said that the reason for the Russian forces and the separatist had severe casualties.

They achieved some steps in eastern Ukraine in the past few weeks, but not much and had to pay expensive, Mr. Kahl said.

Russian soldiers patrolled in Azovstal iron and steel factory area in Mariupol City, southern Ukraine on June 13.

Two US officials estimated that 20,000 people of the Russian forces were killed, of which 5,000 were said to be mercenaries of Wagner private security company.

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Photo: T? L?

Russia's speed of advancing in eastern Ukraine slower after Ukraine deployed US -produced jet -producing artillery complexes here.

The specifications of Himars.

US officials assessed that Russian units were increasingly difficult to pressure their casualties.

Russia has not yet commented on the information of the US, nor has the casualties have been announced that the forces they suffer in the special military campaign.

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Photo: Washington Post

US officials also said that Ukrainian forces were seriously injured.

The Ukrainian battlefield situation after more than 5 months of fighting.

Western officials believe that Ukraine is facing a good opportunity to counterattack, when the Russian troops face the shortage of manpower and weapons.

Ukraine publicly intended to counterattack in the South, forcing Russia to transfer forces to cope, creating opportunities for Kiev to balance the situation in the East.