9. "We have had conversations with the government of Ukraine about the security situation it faces in the East," Miller said. "Ultimately, the decisions about the composition of its military force are those are decisions that the Ukrainians have to make for themselves. What we have made clear is that if they produce additional forces to join the fight, we and our allies will be ready to acquit those forces and train those forces to enter battle." His comments come as part of a broader wave of statements from senior U.S. officials, amid reports that Western allies are urging Ukraine to reduce its minimum mobilization age from 25 to 18 in order to replenish its military forces.Earlier on Dec. 4, U.S. Secretary of State Antony Blinken said that Ukraine faces "hard decisions" regarding further mobilization in its fight against Russia’s full-scale invasion.