Halinichev was killed at the front in March 2023, one of more than 400 athletes killed since the outbreak of the war. His body has yet to be recovered.
Russian media reports Gen. Sergei Surovikin, a former commander of Moscow's forces in Ukraine, has been dismissed from his job as chief of the air force.
The barrage came hours before Russian military officials and their counterparts from Asia, the Middle East and Africa gathered for a security conference.
President Joe Biden will ask Congress for $13 billion in emergency aid to Ukraine as the Russian invasion wears on, a source told The Associated Press.