The President is authorized to provide defense articles, defense services, and training to the Government of Ukraine for the purpose of countering offensive weapons and reestablishing the sovereignty and territorial integrity of Ukraine, including anti-tank and anti-armor weapons, crew weapons and ammunition counter-artillery radars to identify and target artillery batteries, fire control, range finder, and optical and guidance and control equipment, tactical troop-operated surveillance drones, and secure command and communications equipment, pursuant to the provisions of the Arms Export Control Act (22 U.S.C. 2751 et seq.), the Foreign Assistance Act of 1961 (22 U.S.C. 2151 et seq.), and other relevant provisions of law

Здесь все понятно?
Этот закон разрешает президенту предоставлять Украине оружие.
И оружие там именно то, которого нам очень не хватало.