The convenience of Donbass helps Russia reverses the battlefield and is at the most advantage after 4 months of fighting in Ukraine.

When fighting into the 5th month, the Russian forces pierced most of Ukraine's defenses in Lugansk province in the East and controlled the corridor from Donbass to Crimea in southern Ukraine.

The Russian forces over the past weeks shelled violently in the final places that Ukraine controlled in Lugansk province.

Russia and the separatist faction have not closed the siege of Lysychansk, but put the Ukrainian forces defending here in a thousand -pound situation hanging hair, according to Leonid Pasechnik, Lugansk People's Republic (LPR).

The Russian forces also strengthened attacks in Donetsk province, approaching the belt of industrial towns running from south of Sloviansk, via Kramatorsk to KostianTiannivka.

T-80 tanks of the Russian separatist faction at the battle line in Lugansk province, eastern Ukraine on June 8.

According to Western experts, at Lysychansk and many towns along the Donbass region, Russia can continue to perform the tactics that have been applied in Severodonetsk, causing Ukrainian soldiers to be at risk of being shelling to the point of continuing to continue.

The problem with Ukrainian forces is whether they have the determination to defend Lysychansk when faced with the risk of human resource and weapons in the city scenario.

The current battlefield is completely different from the first phase of the campaign, when the Russian army encountered many embarrassing logistics and combat combat, making them unable to promote the overwhelming advantage of firepower and suffer.

The improvement of logistics supply system thanks to the dense railway network in the Donbass region, combined with changes in combat tactics has helped the Russian forces reverse the battlefield situation in the direction of their benefits,

The air defense complexes, mainly the S-300, is deployed to cover the vast sky in Donbass, making Ukraine's unmanned raids (UAV) less efficient.

However, the Russian military seemed to have not achieved many steps in the tip of attacking from Izyum to North Sloviansk, despite continuous raid efforts to break Ukraine's defenses.

Ukrainian officials last weekend said Russia and the separatist were gathering in North Sloviansk.

The battlefield of eastern Ukraine after 4 months of fighting.

Russia can maintain the advancement and the current battlefield of the battlefield as long as it is still a big question.

The Ukrainian army today also announced the use of missiles and artillery raided Russian forces stationed on Zmiinyi Island off the Black Sea, forcing Russian soldiers to withdraw.

However, Ukraine is difficult to create similar results in the Eastern battlefield.

The greater the pressure when the most experienced units that Ukraine deployed to the Donbass region were significantly worn on the army under the overwhelming fire of Russia and it was difficult to replace.

The Ukrainian forces also suffered losses of weapons on the front line in the East.

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According to the US War Research Institute (ISW), the biggest question is that after breaking the Ukrainian route in Donetsk province, Russia has the opportunity to expand the campaign outside the Donbass region or

ISW said that if the campaign's scale expanded, Russia could reach the East bank of Dnieper River and basically divided Ukraine into two parts.

Despite the situation of fighting in a disadvantage for Ukraine in recent weeks, Western experts said there was a lot of evidence that Russia also suffered high damage to tanks.

ISW said that Russia intended to deploy a long -term military campaign in Ukraine, and was increasing efforts to support long -term military and political goals in areas where they controlled in neighboring countries.

After a quiet week, Russia ambushed missiles to Ukraine with abnormal high density, seemingly aimed at sending a message to the West.

The Ukrainian army tried to modernize against Russia's advancement, but the weakness in the ability to contact made them pay on the battlefield.