Every type of weapon the US has sent Ukraine

America has pledged over $175 billion in aid to Ukraine since Russia invaded, which includes over $100 billion in military spending. That includes shells, tanks, rockets, cannons, anti-tank weapons, drones, and missile defense systems worth $1 billion each. So which weapons have proven most critical on the battlefield? And will the latest round of aid really help Ukraine in a war many are calling a stalemate?