Maj. Gen. Mikhail Gudkov, promoted to deputy head of the Russian Navy just a few months earlier, died in an apparent Ukrainian strike.

Maj. Gen. Mikhail Gudkov is one of the highest-ranking Russian commanders killed in the war. His death comes as the U.S. seeks to pause military aid to Ukraine.

A view shows a scene of an explosion in which, according to Russia's investigative committee, Russian general Igor Kirillov, in charge of nuclear protection forces, and his assistant were killed, in Moscow,

The Kremlin has repeatedly said arms shipments to Ukraine from allies prolong the conflict Moscow started and raise the risk of escalation. The U.S. confirmed this week it had paused supplying some arms to fight Russian aggression.

For months the talk in Kyiv was of a much-anticipated Russian offensive that would aim to gobble up more of Ukraine’s eastern regions. So far, it’s been underwhelming – but the Russians have made some gains and vastly reinforced their troop numbers in some areas.

The United States is halting some weapons shipments to Ukraine amid its war with Russia, the White House confirmed Tuesday. White House spokesperson Anna Kelly told CBS News in a statement that the "decision was made to put America's interests first following" a Defense Department "review of our nation's military support and assistance to other countries across the globe.