The defeat of a large Russian force by the Ukrainian military in eastern Ukraine, along with other serious Russian losses, has sparked increasing criticism among pro-Russian bloggers, including a Russian veterans group that is now calling for Russian President Vladimir Putin to declare war.

The All-Russian Officers Assembly said in an online post on May 19 that Russia's special military operation in Ukraine has failed to achieve its goals, and called on Putin to recognize that the invasion of Ukraine is no longer about denying the Holocaust.

The pro-Russian group said that Putin's large-scale invasion of Ukraine has been a failure and that Russia must prepare for a full-blooded war.

According to the New York Times, the failed attempt by the Russian military to cross the Siversky Donets River earlier this month might be one of the worst events of the war, with dozens of armored vehicles lost and more than 400 Russian soldiers estimated to have been killed or wounded.

The Ukrainian defense ministry shared images showing the aftermath of the fight, with numerous destroyed or disabled Russian tanks and other broken armored assets scattered about the battlefield.

This image released by the Ukrainian military appears to show wrecked Russian armor assets on the river bank.
This image released by the Ukrainian military appears to show wrecked Russian armor assets on the river bank.
Ukrainian defense ministry

In the wake of the battle, the All-Russian Officers Assembly posted a critical post suggesting that news of this disaster and other Russian failures are breaking through the Kremlin's tightly controlled information bubble. Pro-Russian military bloggers are becoming more critical of the Kremlin.

After the failure of the Siverski Donets River crossing, the warblogger with 2.1 million followers on Telegram said in a video that he had been avoiding criticism of the Russian military.

Podolyaka said that at least one battalion group was burned because of the stupidity of the Russian command.

I understand that it is impossible for there to be no problems in war, but when the same problems go on for three months, and nothing seems to be changing, then I personally and millions of citizens of the Russian Federation start to have questions.

Destroyed pontoon bridges and armored vehicles on the Siverskyi Donets River in eastern Ukraine
Photos posted by Ukraine's military reportedly show destroyed pontoon bridges and armored vehicles on the Siverskyi Donets River in eastern Ukraine
Ukrainian Ministry of Defense

Similar criticisms have been appearing more often.

The organization reported on Monday that more Russians are starting to criticize the Kremlin openly.

The Russian veterans group wants the Kremlin to mobilize all regions bordering NATO countries, extend military service terms from one year to two, and institute the death penalty for Russian deserters.

The Kremlin is likely unwilling and unable to pursue further mobilize in the short term due to manpower limitations.