It looks like the Russians are moving equipment from the Kamchatka peninsula and Kuril Islands over to to mainland to be transported over to the fight in Ukraine:

Emanual was there to see off a 38-ton shipment of nonlethal military supplies, including helmets and bulletproof vests, that Japan donated to Ukraine.
Japan has reported spotting numerous Russia warships on the move in international waters near its northern borders this month.
Most recently, four Russian amphibious ships, traveling in pairs, were spotted east-northeast of Japan’s main island of Honshu on March 15 and 16, Japan’s Joint Staff said in a news release last week.
Stars & Stripes
You can read more at the link, but Putin must be getting desperate if he is having to move equipment from the far reaches of Russia to fight the Ukrainians. Notice that the picture shows a ship filled with transport trucks. Shortages of trucks to move supplies into Ukraine has been something reported in the media that Russia has been lacking to sustain offensive operations.










