R-2A Activity · President's Budget PB2027

RC-135 SIGINT Development

FY2027 Request
$28.6M
▼ 32% vs FY2026
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This activity requests $28.6M in FY2027, 100% of project 675180, down 32% on FY2026. The R-2A exhibit describes it across FY2026–FY2027, including what the FY2027 money is planned to buy.

FY2027 Request
$28.6M
▼ 32% vs FY2026
FY2026 Enacted
$41.9M
▼ 0.1% vs FY2025
FY2025 Actual
$41.9M
Prior year
Planned work

What the FY2027 request buys

Verbatim from the R-2A exhibit for project 675180 of PE 0304260F. 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

- Will Deliver 9/3 capabilities for Baseline 15/16, continue 4 efforts for Baseline 16 and begin 4 new efforts for baseline 16. -Will continue SIGINT development efforts for the RC-135 fleet to include new signal sets and upgrades to current capabilities. See PE 0305207F for classified details. Classified requirements POC is HAF AF/A2OO (704) 614-7317.

FY2026 to FY2027 change

Funding decreased due to a database error. $17.116M will be realigned from Common Development [675183] for a total of $45.737M. Once corrected, funding increased due to increased Air Force development in Counter-Long Range Kill Chain initiatives. Additional details available at a higher classification.

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

- Deliver 6 capabilities for Baseline 15, continue 14 efforts for Baseline 15 and begin 2 new efforts for baseline 16. -Continue SIGINT development efforts for the RC-135 fleet to include new signal sets and upgrades to current capabilities. See PE 0305207F for classified details. Classified requirements POC is HAF AF/A2OO (704) 614-7317.

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.

25041.9FY25ACTUAL41.9FY26ENACTED28.6FY27REQUEST
Actual Enacted Request
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual41.9
FY2026Enacted41.9
FY2027Request28.6

This activity is 100% of project 675180's FY2027 request and 29% of PE 0304260F'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 675180

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.

RC-135 SIGINT Development — this activity$28.6M ▼ 32%
Source
FY2027 Department of the Air Force RDT&E Budget Justification · Exhibit R-2A · PE 0304260F, project 675180 (President's Budget PB2027). Congressional marks are recorded on the program element, never on an activity.
Machine access
Markdown twin /programs/0304260F/675180/a0.md · MCP mcp.hitchintel.combudget_get_activity