RDT&E Program Element · President's Budget PB2027

Tactically Responsive Space (TacRS)

PE 1206862SF·U.S. Space Force·Approp. 3620F — RDT&E·BA4 — Advanced Component Development & Prototypes
FY2027 Request
$86.3M
◆ Scaling +190%
HitchAI read

U.S. Space Force funding ramps 190% to a $86.3M request in FY2027 — the program's peak, before stepping down 43% across the five-year plan. In the FY2027 defense authorization, the House funded it in full; the Senate added 12% (to $96.3M); House appropriators funded it in full.

FY2027 Request
$86.3M
▲ 190% vs FY2026
FY2026 Enacted
$29.8M
▼ 32% vs FY2025
FY2025 Actual
$43.6M
Prior year

For fiscal year 2027, the U.S. Space Force is requesting $86.3M for Tactically Responsive Space (TacRS) under RDT&E program element 1206862SF, up 190% over FY2026.

Funding trajectory

Funding profile, FY2025–FY2031

Prior years are actuals, the budget year is the request, and the outyears are the FYDP plan. Estimate types are colored and never summed into one figure.

255075043.6FY25ACTUAL29.8FY26ENACTED86.3FY27REQUEST54.0FY2862.7FY2948.1FY3049.0FY31
Actual Enacted Request Outyear (FYDP)
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual43.6
FY2026Enacted29.8
FY2027Request86.3
FY2028Outyear54.0
FY2029Outyear62.7
FY2030Outyear48.1
FY2031Outyear49.0
Where it sits

Acquisition lifecycle

This program is funded in RDT&E Budget Activity 4 — Advanced Component Development & Prototypes.

Complete
Research
BA 1–2
Complete
Advanced Technology
BA 3
Current
Prototyping
BA 4
Later
Development & Fielding
BA 5–7
Inside the program element

1 project rolls up into PE 1206862SF

Projects are the summable leaves — the PE total is their sum, never added to it. Program elements and projects carry the full five-year plan; activities stop at the budget year. This PE moves 190% overall, which can hide much larger swings below.

Project 643835

Tactically Responsive Space (TacRS)

$86.3MFY2027 request ▲ 190%
FY2025 actual$43.6M
FY2026 enacted$29.8M
FY2027 request$86.3M
Product DevelopmentManagement Services

The Space Safari Office is developing, prototyping, and executing the Tactically Responsive Space (TacRS) (project 643835) to deliver space control functions to Guardians and Combatant Commands. As a result of these activities, the Service will deliver capabilities to augment, supplement, and integrate with Allies, partners, and commercial space companies to Space Force units. TacRS rapidly integrates and deploys space-based end-to-end capabilities in response to Combatant Commander (CCMD) urgent needs for power projection and characterization. TacRS missions will be capable of entering operations and generating effects on tactically relevant timelines. The near-term focus of TacRS is to establish these foundational concepts enabling the Space Force to establish the necessary capabilities, processes, concept of operations, and tactics, techniques and procedures to enable a rapid response. In FY 2026, funding will be used to finalize an early operational Space Domain Awareness (SDA) capability that will involve a rapid call-up, launch, and space vehicle operations. In addition, funding will be used to develop the maneuverable, prepositioned SDA TacRS missions. Furthermore, funding will be used to support follow-on SDA operational missions requiring both rapid launch and maneuverable, prepositioned capabilities. Finally, funding will be used to mature new TacRS concepts including, but not limited to, the ability to quickly utilize commercial capabilities. This program falls within the Combat Power mission area which provides the systems required to protect and defend space-based capabilities and ensure space superiority by enabling and executing combat operations in space. Program interdependencies include: Counterspace Operations (1203936SF); Counterspace Systems (1206421SF); Defense Recon Support Activities (1203159SF); National Space Defense Center (1203620SF); National Space Defense Center - MIP (1203621SF); Space Control Technology (1206438SF); Space Intelligence Activities (1203375SF); Space Superiority ISR (1203330SF); Rocket Systems Launch Program (1206860SF); and Rapid Resilient Command & Control (1206772SF).

Accomplishments / planned programs (R-2A) — prior, current and budget year only
FY2025 actual$33.6M
FY2026 enacted$29.8M
FY2027 request$86.3M

In FY 2027, funding will be used to finalize assembly, integration and testing of the two maneuverable, prepositioned SDA TacRS missions, VICTUS SURGO and VICTUS SALO. In addition, funding will be used to support follow-on SDA operational missions requiring both rapid launch and maneuverable, prepositioned capabilities. FY 2027 funding…

Read the FY2027 plan →
Congressional action

Congressional marks

Committee marks on the FY2027 request. Adds and cuts are reconciled in conference before they become law.

RequestPresident's Budget
$86.3M
House NDAA (HASC)HASC
$86.3M full · +$0
Senate NDAA (SASC)SASC
$96.3M +$10.0M · +12%
House Approps (HAC-D)HAC_D
$86.3M full · +$0
▲ $10.0M chamber gap — unresolved as of 2026-07-27. These are FY2027 authorization marks (NDAA); appropriations and the conference agreement may differ.
Who's building it

Where the FY2027 request goes

Performers named in the R-3 exhibit, resolved into industry, government-lab, and unspecified shares. Budget-justification contract funding, not obligations.

Where FY2027 funding flowsShare$M
Other / unspecified100%86.3
FY2027 request100%86.3
Program detail

Mission & acquisition strategy

The Space Safari Office is developing, prototyping, and executing the Tactically Responsive Space (TacRS) (project 643835) to deliver space control functions to Guardians and Combatant Commands. As a result of these activities, the Service will deliver capabilities to augment, supplement, and integrate with Allies, partners, and commercial space companies to Space Force units. TacRS rapidly integrates and deploys space-based end-to-end capabilities in response to Combatant Commander (CCMD) urgent needs for power projection and characterization. TacRS missions will be capable of entering operations and generating effects on tactically relevant timelines.

TacRS prioritizes commercial, fixed-priced contracts to take advantage of evolving commercial capabilities, technology advancements, and reduced production timelines to rapidly deliver minimum viable warfighter solutions. This iterative nature of incremental, commercially-based system improvements that builds upon prior missions will allow TacRS to achieve 18-24-month space vehicle build and launch timelines resulting in substantially reduced cost when compared to traditional satellite procurements.

Project 643835 — Tactically Responsive Space (TacRS)
  • Product Development
  • Management Services
Ask Hitch

Ask this program element

Answers are generated from the figures on this page — the FY2027 justification exhibits and the marks tracked above — and nothing else is consulted. Confirm any figure against the cited exhibit before you use it externally.

H
Questions this page can answer
How does the FY2027 request compare with FY2026, and what does the five-year plan show?What did the FY2027 NDAA committees do to this request?How is the FY2027 request split between industry and government performers?In plain terms, what is this program element for and how is it being acquired?

This page carries the budget justification and the NDAA marks — nothing else. For what a contractor has actually been obligated, the ledger is at hitchintel.com/vendors; for live solicitations, hitchintel.com/opportunities. Both are member surfaces.

Provenance

Cite this page

Sources
FY2027 Department of the Air Force RDT&E Budget Justification · Exhibits R-2 / R-3 · PE 1206862SF (President's Budget PB2027) — and FY2027 NDAA committee marks, as tracked 2026-07-27.
Suggested citation
HitchAI, "Tactically Responsive Space (TacRS) (PE 1206862SF)," federal budget intelligence, PB2027 vintage. hitchintel.com/programs/1206862SF
Machine access
Markdown twin /programs/1206862SF.md · MCP mcp.hitchintel.combudget_get_program_element, budget_get_cong_marks