Those deliveries are coming amid increasingly desperate pleas from Ukrainian battlefield commanders as they endure withering Russian artillery and rocket fire that could last weeks or months.

Over the past two weeks, the Biden administration began shipping out $1.2 billion worth of howitzers, around 200,000 artillery rounds, armored vehicles, counter-battery radars and experimental new armed drones capable of flying into targets. The deliveries are a significant advance from the small arms and Javelin anti-tank armor shipments that dominated the first eight weeks of fighting, and which helped stave off Russian thrusts toward the capital of Kyiv in the early days of the invasion…

Eighty miles north of the city, First Lt. Ivan Skuratovsky, serving in the 25th Airborne Brigade, told POLITICO that help needs to come immediately.

“The situation is very bad, [Russian forces] are using scorched- earth tactics,” the 31-year-old married father of two said via text. “They simply destroy everything with artillery, shelling day and night,” he said via text.

He fears that if reinforcements in the form of manpower and heavy weaponry — particularly air support — don’t arrive in the next few days, his troops could find themselves in the same position as those in Mariupol.