US has already delivered heavy weapons
The US, by far NATO’s strongest military partner, has promised the following heavy weapons and has already delivered some of them: Eleven Russian-made Mi-17 helicopters, 200 M113 armored vehicles, hundreds of Humvee general purpose armored vehicles, hundreds of drones and a total of 90 howitzers with a caliber of 155 millimeters plus a good 180,000 associated artillery shells. According to the US military, Ukraine also received 1,400 Stinger anti-aircraft missiles, more than 5,500 Javelin anti-tank guided missiles, 14,000 other armor-piercing weapons, and more than 50 million rounds of ammunition.