Defense
Defense Domains
DoD Budget by Domain
US DoD topline split across Air, Sea, Land, Space, Cyber, Nuclear, and Other ($B USD). FY2026 is President's Budget request.
Service Branch Budget
Pentagon topline budget ($B) split across the US military service branches plus Defense-Wide agencies, by fiscal year.
US Equipment Fleet Inventory
How many of each major weapons platform the US currently operates (the aircraft, ships, and tanks themselves), Q1 2026 from IISS Military Balance.
Combat Aircraft
| Platform | Count | Status | Prime |
|---|---|---|---|
| F-35 Lightning II | 660 | Active inventory (USAF + USN + USMC); program of record 2,456 | Lockheed Martin |
| F-22 Raptor | 178 | Active inventory | Lockheed Martin |
| F-15E/EX Strike Eagle | 270 | Active inventory; F-15EX modernization ramp | Boeing |
| F-16 Fighting Falcon | 700 | Active inventory | Lockheed Martin |
| F-18 Super Hornet | 540 | Active inventory; production ending 2027 | Boeing |
| B-2 Spirit | 19 | Active inventory; B-21 will replace | Northrop Grumman |
| B-21 Raider | 6 | Production ramp; first 6 delivered through 2026; 100+ planned | Northrop Grumman |
| B-1B Lancer | 45 | Active inventory | Boeing |
| B-52 Stratofortress | 76 | Active inventory; B-52J upgrade in progress | Boeing |
Surface Combatants
| Platform | Count | Status | Prime |
|---|---|---|---|
| Aircraft Carriers (CVN) | 11 | Active fleet (10 Nimitz + 1 Ford); requirement is 11 | HII (Newport News) |
| Arleigh Burke DDG | 73 | Active inventory; Flight III production | HII + General Dynamics (BIW) |
| Constellation FFG | 1 | First-in-class delivery delayed to 2027 | Fincantieri Marinette |
| LHA/LHD Amphibious | 9 | Active fleet; America-class build continues | HII (Ingalls) |
Submarines
| Platform | Count | Status | Prime |
|---|---|---|---|
| Virginia-class SSN | 24 | Active fleet of 24; Block V now in production; AUKUS Pillar I support | GD Electric Boat + HII |
| Columbia-class SSBN | 0 | Production at GD EB; first delivery scheduled 2027; 12 planned | GD Electric Boat |
| Ohio-class SSBN | 14 | Active fleet; replacement by Columbia | GD Electric Boat |
| Seawolf-class SSN | 3 | Active fleet; no replacement program | GD Electric Boat |
Land Vehicles
| Platform | Count | Status | Prime |
|---|---|---|---|
| M1A2 Abrams (all variants) | 2,509 | Active inventory; M1E3 future variant in development | GD Land Systems |
| Stryker (all variants) | 4,500 | Active inventory | GD Land Systems |
| AMPV (Bradley replacement) | 280 | Production ramp; 2,936 program of record | BAE Systems |
Helicopters
| Platform | Count | Status | Prime |
|---|---|---|---|
| AH-64 Apache | 800 | Active inventory; AH-64E modernization | Boeing |
| UH-60 Black Hawk | 2,200 | Active inventory; M variant production continues | Lockheed Martin (Sikorsky) |
| CH-47 Chinook | 460 | Active inventory; Block II in production | Boeing |
| V-22 Osprey | 360 | Active fleet (USMC + USAF + USN); production ending | Bell + Boeing |
Space Systems
| Platform | Count | Status | Prime |
|---|---|---|---|
| GPS satellites (active) | 31 | GPS III production; replacement schedule active | Lockheed Martin |
| SDA Tranche 1 satellites | 154 | Production + early deployment; warfighter delivery 2026 | York Space + LMT + L3Harris + NG |
| SBIRS/Next-Gen OPIR | 6 | GEO + HEO infrared early-warning constellation | Lockheed Martin + Northrop Grumman |
Missile Defense
| Platform | Count | Status | Prime |
|---|---|---|---|
| Patriot batteries (US) | 16 | Active US Army batteries; 80+ deployed allied | RTX (Raytheon) |
| THAAD batteries | 7 | Active US batteries | Lockheed Martin |
| Aegis Ashore | 3 | Romania + Poland (operational); Guam in development | Lockheed Martin |
| GBI (Ground-Based Interceptors) | 44 | Active inventory at Fort Greely + Vandenberg; NGI to replace | Boeing + Lockheed Martin |
Munition Production Rates
US annual production for each munition: 2021 pre-Ukraine baseline vs current 2024 wartime rates and DoD targets for 2026 through 2028.
| Munition | Pre-war 2021 | 2024 | 2026 Target | 2027 Target | 2028 Target | Unit | Prime |
|---|---|---|---|---|---|---|---|
| 155mm artillery shells (US, GD-OTS + ATK) | 14,400 | 36,000 | 100,000 | 100,000 | 100,000(6.9x) | shells/month | GD-OTS + ATK (Northrop) |
| 155mm artillery shells (UK, BAE Systems) | 200 | 600 | 1,500 | 2,000 | 2,500(12.5x) | shells/month | BAESF (Glascoed + Washington plants) |
| 155mm artillery shells (Germany, Rheinmetall) | 5,800 | 58,000 | 71,000 | 83,000 | 92,000(15.9x) | shells/month | RNMBY (Unterlüss + Várpalota HU + Granada ES + Romania) |
| M777 155mm howitzer (US Army) | 0 | 60 | 84 | 96 | 108 | guns/year | BAESF (production restarted 2024 after Ukraine drawdown) |
| Javelin anti-tank missile | 2,100 | 3,960 | 4,800 | 5,400 | 5,400(2.6x) | missiles/year | LMT + RTX (Raytheon) JV (Javelin Joint Venture) |
| Stinger MANPADS | 0 | 600 | 1,500 | 2,000 | 2,500 | missiles/year | RTX (Raytheon) |
| GMLRS rockets | 9,000 | 14,400 | 18,000 | 20,000 | 22,000(2.4x) | rockets/year | LMT |
| Tomahawk cruise missile | 100 | 240 | 350 | 350 | 350(3.5x) | missiles/year | RTX (Raytheon) |
| Patriot PAC-3 MSE | 350 | 500 | 650 | 700 | 750(2.1x) | interceptors/year | LMT (interceptor) + RTX (system integrator) |
| AMRAAM (AIM-120) | 1,100 | 1,300 | 1,500 | 1,500 | 1,500(1.4x) | missiles/year | RTX (Raytheon) |
| Standard Missile (SM-6 + SM-3) | 125 | 200 | 250 | 275 | 300(2.4x) | missiles/year | RTX (Raytheon) |
| Naval Strike Missile (NSM) | 24 | 48 | 72 | 96 | 120(5.0x) | missiles/year | Kongsberg (NO) + RTX (US partner) |
| ATACMS | 200 | 500 | 600 | 600 | 600(3.0x) | missiles/year | LMT |
| PrSM (Precision Strike Missile) | 0 | 100 | 400 | 500 | 600 | missiles/year | LMT |
| JASSM-ER | 360 | 550 | 700 | 850 | 1,000(2.8x) | missiles/year | LMT |
| Switchblade 300 loitering munition | 2,000 | 12,000 | 20,000 | 25,000 | 30,000(15.0x) | munitions/year | AVAV (AeroVironment) |
| Switchblade 600 loitering munition | 0 | 1,000 | 5,000 | 7,500 | 10,000 | munitions/year | AVAV (AeroVironment) |
Munition Stockpile vs Ukraine Drain
How fast Ukraine deliveries are draining US and European weapons stockpiles, comparing current inventories against the pre-war baseline plus cumulative shipments.
155mm shells (US)↓ 52%
Pre-war 2021
5.0M
Current 2026
2.4M
→ Ukraine
3.0M
Declining; replenishment via 36K/mo production not yet matching outflow
Javelin (US)↓ 56%
Pre-war 2021
25K
Current 2026
11K
→ Ukraine
12K
Critical; production at 4K/yr vs ~5K/yr typical demand
Stinger (US)↓ 66%
Pre-war 2021
25K
Current 2026
9K
→ Ukraine
2K
Stockpile aged out; production restart slow
HIMARS GMLRS (US)↓ 55%
Pre-war 2021
80K
Current 2026
36K
→ Ukraine
30K
Drawn down significantly; production 14K/yr
Patriot interceptors PAC-3 (US)↓ 46%
Pre-war 2021
4K
Current 2026
2K
→ Ukraine
750
Critical; allied demand outstripping production
Tomahawk (US)↓ 18%
Pre-war 2021
4K
Current 2026
3K
→ Ukraine
0
Stable; Red Sea Houthi engagements reduced inventory
ATACMS (US)↓ 57%
Pre-war 2021
2K
Current 2026
850
→ Ukraine
200
Drawn down; PrSM replacing
Switchblade 300/600 (US)↑ 275%
Pre-war 2021
1K
Current 2026
5K
→ Ukraine
2K
Growing with production ramp
155mm shells (EU combined)↑ 6%
Pre-war 2021
800K
Current 2026
850K
→ Ukraine
1.2M
Recovering; EU 1M/yr production target reached late 2025