Russia exploiting artillery advantage in Ukraine

 ISW:

Ukrainian intelligence assesses that the Russian military is extending its planning to fight a longer war, though Russian force generation and reserves likely remain poor. Deputy Head of the Ukrainian Main Intelligence Directorate (GUR) Vadym Skibitsky stated the GUR received confirmed information that Russian forces have extended their war planning for the next 120 days, extending to October 2022.[1] Skibitsky said that Russian forces will adjust the plan depending on their successes in Donbas and noted that the Russian General Staff is modifying their invasion plans almost every month.[2] Skibitsky’s statement likely indicates the Kremlin has, at a minimum, acknowledged it cannot achieve its objectives in Ukraine quickly and is further adjusting its military objectives in an attempt to correct the initial deficiencies in the invasion of Ukraine. Skibitsky also claimed that Russian forces have an additional 40 battalion tactical groups (BTGs) in reserve, after having already deployed 103 BTGs to Ukraine. This report is highly unlikely to mean Russian forces retain 40 full-strength and effective BTGs in Russia. At most, these “BTGs” are likely small collections of personnel cobbled together from other units. The Russian military is additionally unlikely to be holding such a significant portion of its force in reserve due to continuing manpower shortages in existing frontline units.

Ukrainian officials continued to increase their requests for Western offensive and defensive equipment, particularly regarding capabilities necessary to combat Russian artillery superiority. Head of the Ukrainian Northern Operational Command Dmytro Krasilnikov reported that Ukrainian forces are experiencing a shortage in long-range artillery systems, while Russian artillery continues to overpower Ukrainian infantry. Ukrainian Advisor to Cabinet of Ministers Oleksandr Danylyuk stated that Russian forces adopted a new unspecified strategy that allows them to make more careful maneuvers.[3] Danylyuk added that Russian forces have more resources than Ukraine, which would prove advantageous in a protracted conflict. Severodonetsk Mayor Oleksandr Stryuk said that Ukrainian defenders need long-range artillery and air defense systems to strike against advancing Russian troops in Luhansk Oblast.[4] Ukrainian forces will need consistent Western support, particularly regarding artillery systems, as Russian numbers and resources take their toll on Ukrainian forces in increasingly positional warfare.
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The Russians continue to concentrate their firepower in a small section of Ukraine.  Ukraine could use counterbattery operations if provided by the West.  Russia appears to lack the troops to take advantage of its artillery superiority.

It looks like Russia has decided to drag out its desultory war against Ukraine in the hope of wearing down the Ukraine military.  At this point, it appears they are wearing down their own forces and having difficulty bringing new fighters into the battle.