R-2A Activity · President's Budget PB2027

Long Range Strike Bomber (B-21) Modernization

FY2027 Request
$1.10B
▲ 70% vs FY2026
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This activity requests $1.10B in FY2027, 100% of project 644044, up 70% on FY2026. The R-2A exhibit describes it across FY2026–FY2027, including what the FY2027 money is planned to buy.

FY2027 Request
$1,101.4M
▲ 70% vs FY2026
FY2026 Enacted
$646.2M
▲ 148% vs FY2025
FY2025 Actual
$260.3M
Prior year
Planned work

What the FY2027 request buys

Verbatim from the R-2A exhibit for project 644044 of PE 0604015F. This is the budget justification's own description of work that has not happened yet — the one thing no other level of the budget carries.

FY2027 planned work

FY 2027 includes funding for the continuation of modernization studies/ technical risk reduction activities. In addition, modernization activities will be supported, which includes but is not limited to, weapons integration/certification, air vehicle provisioning for future capabilities, sensors, and payloads.

FY2026 to FY2027 change

FY 2027 increased from FY 2026 by $455.248M in support of the program's increasing design scope of modernization activities that began in 2024; to include enhanced technologies, nuclear certification as well as infrastructure transitioning from baseline to modernization.

Before the request year

FY2026: the year under way

Prior-year accomplishments and current-year plans from the same exhibit. Context for the FY2027 plan, not a series — an activity partitions its project exactly in the request year, but can under-cover it in earlier years.

FY2026 plans — current year

FY 2026 includes funding for the continuation of modernization studies/ technical risk reduction activities. In addition, modernization activities will be supported, which includes but is not limited to, weapon integration/certification, air vehicle provisioning for future capabilities, sensors, and payloads.

Money

Three years, and no five-year plan

An R-2A activity publishes the prior year, the current year and the budget year. The FYDP outyears exist at project and program-element level and are deliberately absent here rather than inferred. Estimate types are colored and never summed into one figure.

2505007501,0000260.3FY25ACTUAL646.2FY26ENACTED1,101.4FY27REQUEST
Actual Enacted Request
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual260.3
FY2026Enacted646.2
FY2027Request1,101.4

This activity is 100% of project 644044's FY2027 request and 38% of PE 0604015F's. In the request year the activities under a project sum to it exactly; in the current year they under-cover it in about 9% of cases, so an activity's delta can legitimately exceed its parent's and the two must not be compared row to row.

Where this sits

1 activity in project 644044

Every R-2A line of this project, largest FY2027 request first. Linked where the activity has enough of its own narrative to carry a page; the rest are shown in full on the project page.

Long Range Strike Bomber (B-21) Modernization — this activity$1,101.4M ▲ 70%
Source
FY2027 Department of the Air Force RDT&E Budget Justification · Exhibit R-2A · PE 0604015F, project 644044 (President's Budget PB2027). Congressional marks are recorded on the program element, never on an activity.
Machine access
Markdown twin /programs/0604015F/644044/a0.md · MCP mcp.hitchintel.combudget_get_activity