As battle for Ukraine enters a new phase, so does lethal US aid - Breaking Defense

It’s been two months since Russia began its unprovoked invasion in Ukraine, and a new phase of the war is starting as Russia turns away from its failed assault on Kyiv and begins to coalesce artillery and air support in the eastern Donbas region.
For the United States, which has provided a total of $3.4 billion security assistance to Ukraine since the invasion started on Feb. 24, a similar transformation is in progress. While the beginning stages of the conflict saw the US send basic equipment that the Ukrainian military could pick up and use without any training — things like small arms, vehicles and the shoulder mounted Javelin anti-tank missile system — that paradigm is beginning to shift.