US DoD publishes fact sheet on security assistance to Ukraine as on 15 September 2022.

In total, the United States has committed approximately $15.8 billion in security assistance to Ukraine since the beginning of the Biden Administration, including more than $15.1 billion since the beginning of Russia’s unprovoked invasion of Ukraine on February 24.
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M777(A2) howitzers loaded in a USAF C-17 Globemaster III for delivery to the Ukrainian army in May 2022 (Picture source : US DOD)

United States security assistance committed to Ukraine includes:
• Over 1,400 Stinger anti-aircraft systems;
• Over 8,500 Javelin anti-armor systems;
• Over 32,000 other anti-armor systems;
• Over 700 Switchblade Tactical Unmanned Aerial Systems;
• 126 155mm Howitzers and up to 806,000 155mm artillery rounds;
• 2,000 precision-guided 155mm artillery rounds;
• 20 105mm Howitzers and 180,000 105mm artillery rounds;
• 126 Tactical Vehicles to tow 155mm Howitzers;
• 22 Tactical Vehicles to recover equipment;
• 16 High Mobility Artillery Rocket Systems and ammunition;
• 20 120mm mortar systems and 85,000 rounds of 120mm mortar rounds;
• 1,500 Tube-Launched, Optically-Tracked, Wire-Guided (TOW) missiles;
• Four Command Post vehicles;
• Eight National Advanced Surface-to-Air Missile Systems (NASAMS) and munitions;
• High-speed Anti-radiation missiles (HARMs);
• 20 Mi-17 helicopters;
• Hundreds of Armored High Mobility Multipurpose Wheeled Vehicles (HMMWVs);
• Four trucks and eight trailers to transport heavy equipment;
• 200 M113 Armored Personnel Carriers;
• 40 MaxxPro Mine Resistant Ambush Protected Vehicles with mine rollers;
• Mine clearing equipment and systems;
• Over 10,000 grenade launchers and small arms;
• Over 60,000,000 rounds of small arms ammunition;
• Over 75,000 sets of body armor and helmets;
• Approximately 700 Phoenix Ghost Tactical Unmanned Aerial Systems;
• Laser-guided rocket systems;
• Puma Unmanned Aerial Systems;
• 15 Scan Eagle Unmanned Aerial Systems;
• Unmanned Coastal Defense Vessels;
• Over 50 counter-artillery radars;
• Four counter-mortar radars;
• Counter-Unmanned Aerial Systems;
• Ten air surveillance radars;
• Two harpoon coastal defense systems;
• 18 coastal and riverine patrol boats;
• M18A1 Claymore anti-personnel munitions;
• C-4 explosives, demolition munitions, and demolition equipment for obstacle clearing;
• Tactical secure communications systems;
• Thousands of night vision devices, thermal imagery systems, optics, and laser
rangefinders;
• Commercial satellite imagery services;
• Explosive ordnance disposal protective gear;
• Chemical, Biological, Radiological, Nuclear protective equipment;
• 100 armored medical treatment vehicles;
• Medical supplies to include first aid kits, bandages, monitors, and other equipment;
• Electronic jamming equipment;
• Field equipment, cold weather gear, and spare parts;
• Funding for training, maintenance, and sustainment.

The United States also continues to work with its Allies and partners to provide Ukraine with additional capabilities to defend itself.

The Department of Defense is delivering security assistance to Ukraine through two main authorities:

Ukraine Security Assistance (USAI):
• Under USAI, the Department procures defense articles directly from industry to support Ukraine.
• Congress has appropriated $6 billion in USAI funding in the fiscal year 2022 (FY22). The Department has committed $4.8 billion through notifications to Congress and $1.2 billion has been awarded on contract.
• Earlier USAI packages generally included items that could be procured for immediate delivery to Ukraine; more recent packages have included capabilities that have longer production times and will be delivered over multiple years, signaling the USG’s long-term commitment to supporting Ukraine.

Presidential Drawdown Authority (PDA):
• PDA allows the Department to deliver equipment to Ukraine by drawing down from DoD stocks.
• Congress has appropriated $12.5 billion in FY22 to replace these stocks. The Department has to date identified $7 billion in replacement actions, of which $1.5 billion have been awarded on contract.
• Replacement contracts are expected to deliver over multiple years, as many capabilities delivered to Ukraine, such as advanced munitions, have two- to three-year production times.

The Department is working closely with the industry to produce these systems under both USAI and replacement contracts as quickly as possible, using Undefinitized Contract Actions (UCAs), Indefinite Delivery / Indefinite Quantity (IDIQ) contracts, and other tools that accelerate acquisition timelines.

In addition to procurement funding, some replacement contracts also include investments in the industrial base to expand or accelerate production throughput