The Facts

• The US will send Ukraine an additional $1.7B in military aid, American officials announced Monday.

• The package — which includes munitions for air defense systems, artillery, mortars and other missiles — will largely come from long-term contracts through the Ukraine Security Assistance Initiative. Roughly $200M of weaponry will go to Ukraine from existing Pentagon stockpiles.

• It comes as Ukraine has continued to suffer setbacks on the battlefield. While Ukraine has used long-range weapons to strike oil depots in Russian territory, Russian forces continued to advance in eastern Ukraine.It comes as Ukraine has continued to suffer setbacks on the battlefield. Despite the nation using long-range weapons to strike oil depots in Russian territory, Moscow's forces have continued to advance in eastern Ukraine.