Missile · Air
AGM-158 JASSM
Air-launched standoff cruise missile family for attacks on defended land targets.
- Milestones2
- Operators—
- Components—
- Programs—
- Capabilities—
- Inputs—
Timeline2
- Production startConfirmed
JASSM initial production begins
- UpgradeConfirmed
JASSM-ER enters U.S. Air Force service
Extended-range variant, not original JASSM first service entry.
The latest 10 milestones. Solid entries are confirmed, outlined reported, dashed estimated or still to come; dotted italic entries are speculative. Dates show only the precision the sources give.
Cost to the Government
Missiles · Lockheed Martin
AGM-158 JASSM
Published Air Force budget figures with the procurement scope retained; international orders and annual development funding are shown separately.
USAF flyaway / missile
$2.165M
FY2027 discretionary request · Nominal USD; source budget basis
P-40 resource summary, USAF only. Nominal dollar years and annual purchase sizes differ. The FY2027 figure excludes the separately requested mandatory funding; it is not an all-service or lifetime average.
U.S. Air Force ↗U.S. inventory
Not verified
A current U.S. inventory was not established. Annual procurement, cumulative deliveries and production capacity are not a stockpile count.
USAF discretionary purchase request
491
FY2027 · U.S. only; stated source scope
Requested missiles, not deliveries or inventory. Mandatory purchases are shown separately where specified.
U.S. Air Force ↗Annual RDT&E funding
$183.5M / yr
FY2025 · FY2025 budget book · Nominal USD; source budget basis
Missiles & Munitions 5-5. Annual research, development, test and evaluation funding in the March 2024 budget presentation; FY2024 and FY2025 are request figures. Not a lifetime R&D total or actual expenditure.
DoD Comptroller ↗Cost & funding breakdown
USAF gross weapon-system unit figure
$2.343M
FY2027 discretionary request · Nominal USD; source budget basis
Includes procurement support allocated in the P-40 table. Not an export-package price.
U.S. Air Force ↗USAF mandatory purchase request
330
FY2027 · U.S. only; stated source scope
Separate mandatory request; not part of the displayed discretionary unit-price denominator.
U.S. Air Force ↗USAF combined purchase request
821
FY2027 · U.S. only; stated source scope
Discretionary plus mandatory requested rounds; not a funded-delivery or inventory count.
U.S. Air Force ↗Annual purchases are not the stockpile
The budget book separates discretionary procurement from mandatory funding. Neither requested quantity measures missiles remaining after training, transfers or use. Historical unit figures retain their source dollar year.
Operations & sustainment
Annual operations & support
Not verified
A complete, system-specific annual operating and support cost was not established. Procurement, replacement rounds and contract support are different measures.
Cost over time · 6 observations
Each row retains its original scope and dollar basis. Changing quantities, service life and inflation can change the estimate without changing the price of building one unit.
| Observation | Measure | Amount | Dollar basis | Evidence |
|---|---|---|---|---|
| FY2025 · PB2027 discretionary table | USAF flyaway / missile P-40 resource summary, USAF only. Nominal dollar years and annual purchase sizes differ. The FY2027 figure excludes the separately requested mandatory funding; it is not an all-service or lifetime average. | $1.707M | Nominal USD; source budget basis | U.S. Air Force ↗ |
| FY2026 · PB2027 discretionary table | USAF flyaway / missile P-40 resource summary, USAF only. Nominal dollar years and annual purchase sizes differ. The FY2027 figure excludes the separately requested mandatory funding; it is not an all-service or lifetime average. | $2.967M | Nominal USD; source budget basis | U.S. Air Force ↗ |
| FY2027 discretionary request | USAF flyaway / missile P-40 resource summary, USAF only. Nominal dollar years and annual purchase sizes differ. The FY2027 figure excludes the separately requested mandatory funding; it is not an all-service or lifetime average. | $2.165M | Nominal USD; source budget basis | U.S. Air Force ↗ |
| FY2023 · FY2025 budget book | Annual RDT&E funding Missiles & Munitions 5-5. Annual research, development, test and evaluation funding in the March 2024 budget presentation; FY2024 and FY2025 are request figures. Not a lifetime R&D total or actual expenditure. | $123.9M / yr | Nominal USD; source budget basis | DoD Comptroller ↗ |
| FY2024 · FY2025 budget book | Annual RDT&E funding Missiles & Munitions 5-5. Annual research, development, test and evaluation funding in the March 2024 budget presentation; FY2024 and FY2025 are request figures. Not a lifetime R&D total or actual expenditure. | $132.9M / yr | Nominal USD; source budget basis | DoD Comptroller ↗ |
| FY2025 · FY2025 budget book | Annual RDT&E funding Missiles & Munitions 5-5. Annual research, development, test and evaluation funding in the March 2024 budget presentation; FY2024 and FY2025 are request figures. Not a lifetime R&D total or actual expenditure. | $183.5M / yr | Nominal USD; source budget basis | DoD Comptroller ↗ |
Contracts & purchasing · 1 records
Award values, ceilings and purchase agreements have different meanings. These records are not added together as total spending.
2024-09-27 · Undefinitized joint-program award
U.S. Air Force / Navy and FMS customers → Lockheed Martin
$3.23B · quantity not established
FA8682-24-C-B001 spans JASSM/LRASM large-lot procurement. This same award appears on both profiles; do not add the values or assign the full amount to either missile. Final unit allocations were not established.
U.S. Department of Defense ↗
International buyers
Japan · Quantity not verified · Named FMS participant · 2024-09-27
Named in the joint large-lot award; country-specific quantities and deliveries are not established by this announcement.
U.S. Department of Defense ↗Netherlands · Quantity not verified · Named FMS participant · 2024-09-27
Named in the joint large-lot award; country-specific quantities and deliveries are not established by this announcement.
U.S. Department of Defense ↗Finland · Quantity not verified · Named FMS participant · 2024-09-27
Named in the joint large-lot award; country-specific quantities and deliveries are not established by this announcement.
U.S. Department of Defense ↗Poland · Quantity not verified · Named FMS participant · 2024-09-27
Named in the joint large-lot award; country-specific quantities and deliveries are not established by this announcement.
U.S. Department of Defense ↗
Coverage & open research
- Current U.S. inventory and complete annual operating-and-support costs require additional public evidence.
- Buyer records are selected examples, not a complete global order book.
- The displayed R&D reference is annual funding or a specified multi-year request window, not a verified lifetime total.
- Unit cost (per round)Reported$1.3MEstimate / observation: 2020-02-18 · Then-year $ · FY2021
FY2021 Air Force budget request unit price for JASSM as reported by The War Zone from official budget documents: average across the FY2021 order of AGM-158A JASSM and AGM-158B JASSM-ER (first AGM-158D JASSM-XR LRIP lot also in the FY2021 buy). Missile only; excludes support, mods and development.
Source
Earlier cost observations (1)
- AGM-158 JASSM · Unit cost (per round) · $1.0MEstimate / observation: 2020-02-14 · Then-year $ · FY2021
Air & Space Forces Magazine citing FY2021 Air Force budget justification: AGM-158B JASSM-ER unit cost $1.04M; the AGM-158D (JASSM-XR) unit cost is approximately $1.5M. FY2021 request: 336 B-variants for $352M total (per same article).
Source
| Fiscal year | Appropriation | Request | Enacted | Qty | Budget line | Source |
|---|---|---|---|---|---|---|
| FY2027 | RDT&E | $133M | — | — | — | SourceConfirmed |
| FY2027 | Procurement | $2.00B | — | 821 | — | SourceConfirmed |
| FY2027 | Total | $2.13B | — | 821 | — | SourceConfirmed |
| FY2026 | RDT&E | $232M | $426M | — | — | SourceConfirmed |
| FY2026 | Procurement | $819M | $818M | 381 | — | SourceConfirmed |
| FY2026 | Total | $1.05B | $1.24B | 381 | — | SourceConfirmed |
| FY2025 | RDT&E | — | $182M | — | — | SourceConfirmed |
| FY2025 | Procurement | — | $821M | 450 | — | SourceConfirmed |
| FY2025 | Total | — | $1.00B | 450 | — | SourceConfirmed |
Unit costs and contract unit prices for this system, and budget figures for the programs that buy it. Each figure states its dollar basis and links its source; contract values are under Programs & awards.