Undersea Warfare Applied Research
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $145M · HASC $55M · SASC $53M
$121M to $53M
Tracker · Budget
FY2027 budget lines: Shipbuilding and submarines
FY2026 enacted to FY2027 requested. Committee marks are shown separately.
ASW Systems Development
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $20M · HASC $20M · SASC $20M
$33M to $20M
Carrier Systems Development
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $9M · HASC $9M · SASC $9M
$8M to $9M
Undersea Warfare System Development
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $133M · HASC $139M · SASC $148M
$172M to $133M
Ship Concept Advanced Design
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $341M · HASC $364M · SASC $177M
$167M to $354M
Ship Preliminary Design & Feasibility Studies
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $655M · HASC $667M · SASC $667M
$130M to $667M
Advanced Nuclear Power Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $392M · HASC $392M · SASC $392M
$344M to $392M
Advanced Surface Machinery Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $292M · HASC $275M · SASC $270M
$150M to $270M
Littoral Combat Ship (LCS)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $13M · HASC $8M · SASC $35M
$10M to $13M
LCS Mission Modules
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $46M · HASC $16M · SASC $46M
$39M to $46M
Frigate Development
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $212M · HASC $212M · SASC $212M
$81M to $212M
Gerald R. Ford Class Nuclear Aircraft Carrier (CVN 78 - 80)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $111M · HASC $111M · SASC $111M
$113M to $111M
LX (R)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $19M · HASC $19M · SASC $19M
$27M to $19M
Advanced Ship Building Industrial Base and Future Ship Experimental
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: HASC $20M
$0M to $1.9B$1.9B mandatory
ASW Systems Development - MIP
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $3M · HASC $3M · SASC $3M
$4M to $3M
Surface Combatant Combat System Engineering
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $425M · HASC $425M · SASC $425M
$589M to $425M
Submarine SWFTS Modernization
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $195M · HASC $195M · SASC $195M
$214M to $195M
Shipboard Aviation Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $31M · HASC $31M · SASC $31M
$34M to $31M
Ship Survivability
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $8M · HASC $8M · SASC $8M
$4M to $8M
Advanced Arresting Gear (AAG)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $61M · HASC $61M · SASC $61M
$35M to $61M
New Design SSN
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $233M · HASC $237M · SASC $237M
$255M to $237M
Ship Contract Design/ Live Fire T&E
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $19M · HASC $19M · SASC $19M
$36M to $19M
Ship Self Defense (Detect & Control)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $156M · HASC $156M · SASC $156M
$168M to $156M
Ship Self Defense (Engage: Hard Kill)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $296M · HASC $296M · SASC $296M
$345M to $296M
Ship Self Defense (Engage: Soft Kill/EW)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $197M · HASC $197M · SASC $197M
$232M to $197M
SSN(X)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $316M · HASC $316M · SASC $316M
$336M to $316M
Ship to Shore Connector (SSC)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $5M · HASC $5M · SASC $5M
$18M to $5M
Destroyers Guided Missile (DDG-1000)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $50M · HASC $50M · SASC $50M
$59M to $50M
RDT&E Ship and Aircraft Support
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $171M · HASC $171M · SASC $171M
$151M to $171M
Submarine Acoustic Warfare Development
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $122M · HASC $114M · SASC $114M
$111M to $114M
Ship-Towed Array Surveillance Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $1M · HASC $1M · SASC $1M
$2M to $1M
Amphibious Tactical Support Units (Displacement Craft)
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $2M · HASC $2M · SASC $2M
$2M to $2M
Operational Nuclear Power Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Navy
Marks: House Appropriations $253M · HASC $253M · SASC $253M
$209M to $253M
Maritime Systems
Shipbuilding and submarines · Research, Development, Test and Evaluation, Defense-Wide
Marks: House Appropriations $352M · HASC $352M · SASC $364M
$307M to $352M
Combatant Craft Systems
Shipbuilding and submarines · Procurement, Defense-Wide
Marks: House Appropriations $34M · HASC $34M · SASC $43M
$43M to $34M
CVN Refueling Overhauls
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $4.0B · HASC $4.4B · SASC $2.0B
$2.1B to $4.4B$30M mandatory
CVN Refueling Overhauls
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $53M · HASC $53M · SASC $53M
$0M to $53M
DDG 1000
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $67M · HASC $67M · SASC $67M
$52M to $67M
DDG-51
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $3.0B · HASC $4.0B · SASC $5.5B
$5.6B to $3.3B$314M mandatory
DDG-51
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $0M
$1.8B to $0M
Littoral Combat Ship
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$6M to $0M
FFG-Frigate
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $0M
$100M to $0M
FF(X)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $1.3B · HASC $1.4B · SASC $1.4B
$242M to $1.4B
Carrier Replacement Program
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $642M · HASC $642M · SASC $642M
$1.2B to $679M$37M mandatory
Carrier Replacement Program
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $1.9B · HASC $1.9B · SASC $1.9B
$612M to $1.9B
CVN-81
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $1.2B · HASC $1.4B · SASC $1.4B
$1.6B to $1.4B
Virginia Class Submarine
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $8.4B · HASC $8.4B · SASC $8.4B
$7.9B to $8.4B
Virginia Class Submarine
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $4.1B · HASC $4.1B · SASC $4.1B
$3.1B to $5.6B$1.4B mandatory
Surface Ship Industrial Base
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $550M
$0M to $93M$93M mandatory
BBG(X)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $1.0B · HASC $1.0B · SASC $0M
$0M to $1.0B
LPD Flight II
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $2.1B · HASC $2.2B · SASC $2.2B
$346M to $2.2B$4M mandatory
LPD Flight II
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $356M · HASC $356M · SASC $356M
$628M to $356M
Expeditionary Sea Base (ESB)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$30M to $0M
LHA Replacement
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $3.7B · HASC $3.9B · SASC $3.9B
$94M to $3.9B$2M mandatory
LHA Replacement
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$590M to $0M
Expeditionary Fast Transport (EPF)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$11M to $0M
Medium Landing Ship
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $0M
$2.6B to $1.9B$1.9B mandatory
Medium Landing Ship
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$160M to $0M
As Submarine Tender
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $2.2B · HASC $3.6B · SASC $2.3B
$0M to $4.4B
SMS-Special Mission Ship
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$0M to $200M$200M mandatory
TAO Fleet Oiler
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $1.9B · HASC $1.9B · SASC $1.9B
$2.8B to $2.2B$283M mandatory
Next Generation Logistics Ship
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$100M to $0M
Tagos Surtass Ships
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $377M · HASC $581M · SASC $0M
$612M to $711M$100M mandatory
Towing, Salvage, and Rescue Ship (ATS)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $0M
$642M to $0M
Oceanographic Ships
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$6M to $0M
LCU 1700
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$295M to $0M
Strategic Sealift
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $350M · HASC $450M · SASC $450M
$600M to $450M
Outfitting
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $741M · HASC $741M · SASC $741M
$887M to $741M
Ship to Shore Connector
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $734M · HASC $734M · SASC $734M
$575M to $734M
Service Craft
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $251M · HASC $259M · SASC $177M
$175M to $177M
Auxiliary Personnel Lighter
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $83M · HASC $83M · SASC $83M
$79M to $83M
Bulk Fuel Vessel
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $350M · HASC $450M · SASC $450M
$0M to $450M
T-AH(X)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$0M to $650M$650M mandatory
Fireboats
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
$0M to $272M$272M mandatory
LCAC SLEP
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $38M · HASC $38M · SASC $38M
$37M to $38M
Auxiliary Vessels (Used Sealift)
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: SASC $0M
$290M to $130M$130M mandatory
Completion of PY Shipbuilding Programs
Shipbuilding and submarines · Shipbuilding and Conversion, Navy
Marks: House Appropriations $2.6B · HASC $2.6B · SASC $2.6B
$0M to $2.6B
Submarine Industrial Base
Shipbuilding and submarines · Maritime Industrial Base Fund
$2.5B to $0M
Surface Ship Industrial Base
Shipbuilding and submarines · Maritime Industrial Base Fund
$2.0B to $0M
Submarine Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $331M · HASC $331M · SASC $331M
$383M to $331M
Virginia Class Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $83M · HASC $83M · SASC $83M
$52M to $83M
LCS Class Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $15M · HASC $16M · SASC $16M
$3M to $16M
Submarine Batteries
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $26M · HASC $26M · SASC $26M
$28M to $26M
LPD Class Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $214M · HASC $214M · SASC $214M
$126M to $214M
DDG 1000 Class Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $58M · HASC $58M · SASC $58M
$115M to $58M
Surface Combatant HM&E
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $104M · HASC $104M · SASC $104M
$62M to $104M
LCAC
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $17M · HASC $23M · SASC $23M
$20M to $23M
Ship Maintenance, Repair and Modernization
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $2.3B · HASC $2.7B · SASC $2.7B
$2.4B to $2.7B
Reactor Components
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $520M · HASC $520M · SASC $520M
$475M to $520M
Standard Boats
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $98M · HASC $153M · SASC $98M
$87M to $98M
LCS Common Mission Modules Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $31M · HASC $31M · SASC $31M
$39M to $31M
LCS MCM Mission Modules
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $65M · HASC $65M · SASC $65M
$91M to $65M
LCS SUW Mission Modules
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $2M · HASC $2M · SASC $2M
$4M to $2M
LCS In-Service Modernization
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $315M · HASC $125M · SASC $315M
$189M to $315M
LSD Midlife & Modernization
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $0M · HASC $0M · SASC $0M
$4M to $0M
Sub Periscope, Imaging and Supt Equip Prog
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $345M · HASC $345M · SASC $345M
$205M to $345M
DDG Mod
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $882M · HASC $1.0B · SASC $1.0B
$879M to $1.0B
LHA/LHD Midlife
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $120M · HASC $131M · SASC $131M
$126M to $131M
AN/SQQ-89 Surf ASW Combat System
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $142M · HASC $142M · SASC $142M
$144M to $142M
SSN Acoustic Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $454M · HASC $454M · SASC $454M
$499M to $454M
Submarine Acoustic Warfare System
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $69M · HASC $69M · SASC $69M
$56M to $69M
Shipboard IW Exploit
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $650M · HASC $702M · SASC $702M
$380M to $702M
Shipboard Tactical Communications
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $50M · HASC $50M · SASC $50M
$21M to $50M
Ship Communications Automation
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $157M · HASC $157M · SASC $157M
$162M to $157M
Submarine Broadcast Support
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $173M · HASC $173M · SASC $173M
$113M to $173M
Submarine Communication Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $88M · HASC $88M · SASC $88M
$85M to $88M
Advanced Arresting Gear (AAG)
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $24M · HASC $24M · SASC $24M
$4M to $24M
Electromagnetic Aircraft Launch System (EMALS
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $37M · HASC $37M · SASC $37M
$16M to $37M
Ship Gun Systems Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $7M · HASC $7M · SASC $7M
$7M to $7M
SSN Combat Control Systems
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $165M · HASC $165M · SASC $165M
$103M to $165M
ASW Support Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $25M · HASC $25M · SASC $25M
$26M to $25M
Submarine Training Device Mods
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $74M · HASC $74M · SASC $74M
$78M to $74M
Amphibious Equipment
Shipbuilding and submarines · Other Procurement, Navy
Marks: House Appropriations $54M · HASC $54M · SASC $54M
$38M to $54M