In the ongoing conflict between Russia and Ukraine, Russia's military has been using volunteer fighters to fill in the gaps in their military forces. These fighters, who are often referred to as "volunteer battalions," are typically made up of civilians who are willing to take up arms and fight for their cause. They are not officially part of the Russian military, but they receive support from the Russian government and are often trained and equipped by Russian military personnel.
The use of volunteer fighters has become a common strategy in modern warfare, as they can help to bolster a country's military forces without the need for a large standing army. However, there are concerns about the use of these fighters, as they often lack the training and discipline of professional soldiers. This can lead to issues such as human rights abuses and the mistreatment of civilians.
Despite these concerns, Russia has continued to rely on volunteer fighters in their conflict with Ukraine, and they have been a key part of their military strategy. The use of these fighters has allowed Russia to maintain a strong presence in Ukraine without the need for a large, official military force. However, it has also led to a humanitarian crisis in the region, with many civilians being caught in the crossfire and suffering as a result.