Munition · Undersea
MK-48 torpedo
Heavyweight acoustic-homing torpedo for submarine warfare.
- Milestones0
- Operators—
- Components—
- Programs—
- Capabilities—
- Inputs—
Photo: U.S. Navy photo by Mass Communication Specialist 1st Class Justin Wolpert · Public domain (PD-USGov-Military-Navy) · Full-frame resize and WebP re-encoding from the DVIDS-hosted government photo; no crop.
Timeline
No milestones recorded for MK-48 torpedo yet. The timeline fills in as unveilings, tests, contracts and deliveries are sourced.
Cost to the Government
Munitions · Lockheed Martin / General Dynamics
Mk 48 Heavyweight Torpedo
New torpedo-section procurement, installation of prior-year hardware and international agreements retain separate cost boundaries.
Navy gross procurement / torpedo
$4.217M
FY2025 request · Nominal USD · source budget basis
Published P-40 gross unit cost rounded to thousands. Includes program work and installations from previous buys; not a complete recurring new-build hardware quote.
U.S. Navy · government budget document mirror ↗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.
Navy requested torpedoes
79
FY2025 request · U.S. only; stated source scope
Budget procurement quantity, not deliveries or current inventory.
U.S. Navy · government budget document mirror ↗R&D program total
Not verified
A lifetime program R&D total was not established. Development contracts and shared program budgets are not substituted for that total.
Cost & funding breakdown
Mod 7 guidance/control section
$2.043M
FY2025 request · Nominal USD; source budget basis
P-5 per-section recurring cost, rounded to thousands; incomplete torpedo.
U.S. Navy · government budget document mirror ↗Mod 7 afterbody / tail-cone section
$1.123M
FY2025 request · Nominal USD; source budget basis
Separate recurring section; excludes other hardware, integration and support.
U.S. Navy · government budget document mirror ↗Installation funding · prior-year hardware
$15.755M
FY2025 request · Nominal USD; source budget basis
Supports 115 AUR installations from earlier procurements. The 115 installations are not the 79 new requested torpedoes.
U.S. Navy · government budget document mirror ↗An installation count is not a new production count
The Navy budget funds assembly of previously bought sections alongside new section procurement. The gross procurement average retains that mixed scope, while individual hardware sections are shown separately.
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 · 3 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 |
|---|---|---|---|---|
| FY2023 · PB2025 | Navy gross procurement / torpedo Published P-40 gross unit cost rounded to thousands. Includes program work and installations from previous buys; not a complete recurring new-build hardware quote. | $5.397M | Nominal USD · source budget basis | U.S. Navy · government budget document mirror ↗ |
| FY2024 · PB2025 | Navy gross procurement / torpedo Published P-40 gross unit cost rounded to thousands. Includes program work and installations from previous buys; not a complete recurring new-build hardware quote. | $3.955M | Nominal USD · source budget basis | U.S. Navy · government budget document mirror ↗ |
| FY2025 request | Navy gross procurement / torpedo Published P-40 gross unit cost rounded to thousands. Includes program work and installations from previous buys; not a complete recurring new-build hardware quote. | $4.217M | Nominal USD · source budget basis | U.S. Navy · government budget document mirror ↗ |
Contracts & purchasing · 1 records
Award values, ceilings and purchase agreements have different meanings. These records are not added together as total spending.
2025-03-21 · Government-to-government agreement announced
Australia → United States government
AUD 200M · quantity not established
Australian-dollar agreement for additional Mk 48 torpedoes, acquired as sections for local assembly and testing. Quantity not disclosed.
Australian Department of Defence ↗
Connected missiles & systems
Submarine weapon
Virginia-class submarine →Heavyweight torpedo procurement is distinct from submarine acquisition and sustainment.
U.S. Navy · government budget document mirror ↗CRS ↗
International buyers
Australia · Quantity not verified · Additional procurement agreement · 2025-03-21
A$200M agreement and joint development/sustainment relationship; no inferred order quantity.
Australian Department of Defence ↗
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.
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.