Immediately following Russia’s full-scale invasion of Ukraine, experts—including many in the US government—publicly speculated that Kyiv would fall in a matter of weeks. Two years later, with Western support, Ukraine is still fighting for its existence and has degraded Russia’s armed forces.

However, with military assistance stalled in Congress, Ukrainian forces are rationing munitions and struggling to hold positions on the front line. Can Ukraine count on US support for “as long as it takes”? What does a path to Ukrainian victory look like?

Leon Aron joins fellow AEI scholars Frederick W. Kagan and Danielle Pletka to reflect on the past, present, and future of the Russia-Ukraine war.