M142 HIMARS: Cost, Contracts & Timeline

Timeline1

2005FieldedConfirmed
HIMARS enters Army service
Year precision retained because Army sources differ between June entry into the Army system and July commencement of fielding.

Program and variant milestones. Dates show only the precision the sources give.

Cost to the Government$4.58B total acquisition

Cost figures
Measure	Variant	Amount	Source
Program totals · 4
Total acquisition costArmy procurement only (P-40 HIMARS line 6200C02901 'Total' column: 715 launchers, $4,579.199M); excludes RDT&E, USMC buys and HIMARS Modifications line. FY2027 budget books.	All	$4.579BThen-year $ · 715 units	Army FY 2027 Budget Estimates: Missile Procurement, Army Justification Book U.S. Army, Assistant Secretary of the Army (Financial Management and Comptroller)
Gross procurement / launcherP-40 includes support beyond launcher hardware.	All	$10.251MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
Initial spares fundingSupports past/current fielding requirements; not recurring annual operations cost.	All	$12.718MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
R&D program totalA lifetime program R&D total was not established. Development contracts and shared program budgets are not substituted for that total.	All	Not established	—
Unit costs · 2
Unit cost (flyaway)Launcher unit cost (P-5 flyaway cost element): FY 2027 Army request, P-5 HIMARS launcher unit cost $5,902.000K for 96 launchers (FY2025 $6,965.610K for 18; FY2026 $5,751.500K for 6).	All	$5.902MThen-year $ · 96 units	Army FY 2027 Budget Estimates: Missile Procurement, Army Justification Book U.S. Army, Assistant Secretary of the Army (Financial Management and Comptroller)
Launcher hardware / unitP-5 BLI6200C02901 launcher recurring-production line. Hardware excludes rockets and separate support. FY2024 hardware quantity is 21, while the P-40 summary quantity is 22.	All	$5.752MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
Quantities · 2
Requested launchersRequested new launchers; not cumulative deliveries or the U.S. fleet.	Army	6U.S. only; stated source scope	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026
U.S. inventoryA current U.S. inventory was not established. Annual procurement, cumulative deliveries and production capacity are not a stockpile count.	All	Not established	—
Operating costs · 1
Annual operations & supportA complete, system-specific annual operating and support cost was not established. Procurement, replacement rounds and contract support are different measures.	All	Not established	—

Program totals · 4

Total acquisition costArmy procurement only (P-40 HIMARS line 6200C02901 'Total' column: 715 launchers, $4,579.199M); excludes RDT&E, USMC buys and HIMARS Modifications line. FY2027 budget books.
Army FY 2027 Budget Estimates: Missile Procurement, Army Justification Book U.S. Army, Assistant Secretary of the Army (Financial Management and Comptroller)
$4.579BThen-year $ · 715 units
Gross procurement / launcherP-40 includes support beyond launcher hardware.
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
$10.251MNominal $; source budget basis
Initial spares fundingSupports past/current fielding requirements; not recurring annual operations cost.
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
$12.718MNominal $; source budget basis
R&D program totalA lifetime program R&D total was not established. Development contracts and shared program budgets are not substituted for that total.
Source not recorded
Not established

Unit costs · 2

Unit cost (flyaway)Launcher unit cost (P-5 flyaway cost element): FY 2027 Army request, P-5 HIMARS launcher unit cost $5,902.000K for 96 launchers (FY2025 $6,965.610K for 18; FY2026 $5,751.500K for 6).
Army FY 2027 Budget Estimates: Missile Procurement, Army Justification Book U.S. Army, Assistant Secretary of the Army (Financial Management and Comptroller)
$5.902MThen-year $ · 96 units
Launcher hardware / unitP-5 BLI6200C02901 launcher recurring-production line. Hardware excludes rockets and separate support. FY2024 hardware quantity is 21, while the P-40 summary quantity is 22.
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
$5.752MNominal $; source budget basis

Quantities · 2

Requested launchersRequested new launchers; not cumulative deliveries or the U.S. fleet.
Army
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026
6U.S. only; stated source scope
U.S. inventoryA current U.S. inventory was not established. Annual procurement, cumulative deliveries and production capacity are not a stockpile count.
Source not recorded
Not established

Operating costs · 1

Annual operations & supportA complete, system-specific annual operating and support cost was not established. Procurement, replacement rounds and contract support are different measures.
Source not recorded
Not established

Earlier observations · 3

Superseded estimates and prices, each in its original scope and dollar basis.

Earlier cost observations
Measure	Amount	Source
Launcher hardware / unit¹	$7.683MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2024 · PB2026
Launcher hardware / unit¹	$5.326MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2025 · PB2026
Launcher hardware / unit¹	$5.752MNominal $; source budget basis	FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request

Launcher hardware / unit¹
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2024 · PB2026
$7.683MNominal $; source budget basis
Launcher hardware / unit¹
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2025 · PB2026
$5.326MNominal $; source budget basis
Launcher hardware / unit¹
FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · figure FY2026 request
$5.752MNominal $; source budget basis

¹P-5 BLI6200C02901 launcher recurring-production line. Hardware excludes rockets and separate support. FY2024 hardware quantity is 21, while the P-40 summary quantity is 22.

Launcher cost excludes its ammunition

The hardware production line is distinct from gross procurement and initial spares. GMLRS and PrSM rounds are separate purchases; foreign packages can include substantial ammunition and training.

FY2026 Missile Procurement, Army: P-40, P-5 and P-5a exhibits U.S. Army · Jun 2025 · +1 more

Contracts & purchasing · 2

Ceilings, options and purchase agreements are not spending and are never added together. Obligations are under Contracts.

Contracts and purchasing
Buyer → seller	Status	Value	Qty	Source
U.S. Army → Lockheed MartinW31P4Q-25-F-0031. Locations and funding determined with each order; quantity not disclosed, estimated completion May 31, 2027.	Production contract	$742.18M	—	May 9, 2025: $742,179,564 HIMARS production contract U.S. Department of Defense · figure May 9, 2025
Estonia → Lockheed MartinIncludes additional ammunition and a separate industrial investment. Total acquisition value not published in this announcement.	Additional systems contracted	Value not verified	3	Estonia: six delivered HIMARS and three additional systems contracted Estonian Centre for Defence Investments · figure Apr 11, 2026

International buyers · 1

International buyers
Country	Qty	Status	Source
EstoniaECDI reports the first six delivered in spring 2025 and three additional systems contracted for planned 2027 arrival. Nine are not yet reported delivered.	6	Delivered systems; additional order separate	Estonia: six delivered HIMARS and three additional systems contracted Estonian Centre for Defence Investments · figure Apr 11, 2026

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.

What the government budgets and pays for this program, from budget justification books, appropriations, acquisition reports and contract announcements. Each figure states its dollar basis. What contractors were obligated is under Contracts.

Contracts$1.19B obligated since FY2008

Explore in Awards →

Contractors3

Lockheed Martin$1.12B 94%
BAE Systems$51.4M 4.3%
L3Harris Technologies$21.5M 1.8%

Awards12

Sort

Government awards. Select a sortable column heading to sort.
								Conf.
Lockheed Martin	IGF::OT::IGF MLRS M270A1/HIMARS TEST FLEET LAUNCHER MAINTENANCE CONTRACT AWARD.	U.S. Army	Definitive Contract	Aug 7, 2014	$14.1M	$28.1M	M142 HIMARS	Reported
Lockheed Martin	IGF::OT::IGF LIFE CYCLE LOGISTICS SUPPORT - HIMARS/ M270A1 CONTRACT AWARD	U.S. Army	Definitive Contract	Jun 27, 2014	$143M	$148M	M142 HIMARS	Reported
BAE Systems	HIMARS PROCUREMENT OF 64 ICP CAPS,65 APPLIQUE KITS, 59 BATTERY DISCONNECTS, 5 SETS OF SPARES	U.S. Army	Definitive Contract	Aug 31, 2009	$51.4M	—	M142 HIMARS	Reported
Lockheed Martin	HIMARS/M270A1 MLRS LAUNCHER TEST FLEET MAINTENANCE; PERIOD OF PERFORMANCE 1 MAY 2009 - 30 APRIL 2014.	U.S. Army	Definitive Contract	Apr 30, 2009	$12.4M	$25.2M	M142 HIMARS	Reported
BAE Systems	SMALL PURCHASE OF 12 HIMARS CHASSIS KITS/VARIOUS PARTS	U.S. Army	Purchase Order	Feb 2, 2009	$11K	—	M142 HIMARS	Reported
Lockheed Martin	BOM LAUNCHER REPAIR	U.S. Navy	Definitive Contract	Nov 12, 2008	$951K	—	M142 HIMARS	Reported
L3Harris Technologies	HIMARS UFCS RETROFIT INCLUDING HULIU, UWIU, CIRCUIT CARDS, ETHERNET HUB, AND UGDUDI	U.S. Army	Definitive Contract	Jul 2, 2008	$21.5M	—	M142 HIMARS	Reported
Lockheed Martin	200608!004423!2100!W31P4Q!USA AVIATION AND MISSILE COMMAND!W31P4Q06C0140 !A!N! !Y! ! !20060630!20081231!794571448!794571448!834951691!N!LOCKHEED MARTIN CORPORATION !1701 W MARSHALL DRIVE !GRAND PRAIRIE !TX!75051!30464!113!48!GRAND PRAIRIE !DALLAS !TEXAS !+000006949732!N!N!000000000000!AC27!RDTE/MISSILE AND SPACE SYSTEMS-OP SYSTEM DEVELOP !A2 !MISSILE AND SPACE SYSTEMS !367 !HIMARS !336414!E! !3! ! ! ! ! !99990909!B! ! !A! !D!N!U!1!001!N!1G!C!Y!Z! ! !N!C!N! ! ! !A!A!A!A!000!A!C!Y! ! ! ! ! ! !0001! !	U.S. Army	Definitive Contract	Jan 31, 2008	$17.1M	$0	M142 HIMARS	Reported
Lockheed Martin	HIMARS FULL RATE PRODUCTION (FRP) -3, FOR FMS-UAE AND SINGAPORE, WITH ASSOCIATED EQUIPMENT, LOGISTICS SUPPORT, AND A PROVISION FOR ADDITIVE OPTIONS FOR HIMARS FRP 4 AND 5.	U.S. Army	Definitive Contract	Dec 28, 2007	$674M	$1.18B	M142 HIMARS	Reported
Lockheed Martin	HIMARS/M270A1 LIFE-CYCLE CONTRACTOR SUPPORT, CALENDAR YEARS 2008-2010.	U.S. Army	Definitive Contract	Dec 28, 2007	$258M	$234M	M142 HIMARS	Reported
Lockheed Martin	FACILITIZATION OF LETTERKENNY ARMY DEPOT FOR FUTURE REPAIR CAPABILITY OF HIMARS AND M270A1 MISSILE SYSTEM COMPONENTS.	U.S. Army	Definitive Contract	Nov 13, 2007	−$286K	$16.6M	M142 HIMARS	Reported
Lockheed Martin	200603!001235!2100!W31P4Q!USA AVIATION AND MISSILE COMMAND!W31P4Q06C0001 !A!N! !N! ! !20051228!20080630!794571448!794571448!834951691!N!LOCKHEED MARTIN CORPORATION !1701 W MARSHALL DRIVE !GRAND PRAIRIE !TX!75051!30464!113!48!GRAND PRAIRIE !DALLAS !TEXAS !+000099916279!N!N!000000000000!1440!LAUNCHERS, GUIDED MISSILE !A2 !MISSILE AND SPACE SYSTEMS !367 !HIMARS !336414!E! !3! ! ! ! ! !99990909!B! ! !A! !D!N!J!1!001!N!1G!A!Y!A! ! !N!C!N! ! ! !A!A!A!A!000!A!C!Y! ! ! ! ! ! !0001! !	U.S. Army	Definitive Contract	Oct 9, 2007	$922K	—	M142 HIMARS	Reported

Obligations are signed USAspending prime-contract actions coded to this program, FY2008 to date, credited to the company that received each action. Obligations are money committed, not company revenue.