# B-21 Alert Facility, Ellsworth Air Force Base (AFB), South Dakota (SD)

Notice 89272e354a1a4a0bb0e0cbec076da201 (solicitation W9128F26RA005) from DEPT OF DEFENSE, W071 ENDIST OMAHA, posted 2026-04-30, responses due 2026-05-15T19:00:00.000Z. Status: open.

| Field | Value |
| --- | --- |
| Notice ID | 89272e354a1a4a0bb0e0cbec076da201 |
| Solicitation number | W9128F26RA005 |
| Type | Solicitation |
| Agency | DEPT OF DEFENSE |
| Sub-tier | DEPT OF THE ARMY |
| Office | W071 ENDIST OMAHA |
| Posted | 2026-04-30T16:24:20.000Z |
| Response deadline (UTC) | 2026-05-15T19:00:00.000Z |
| Set-aside | - |
| NAICS | 236220 |
| PSC | Y1BZ |
| Place of performance | - |
| Award | - |

## Description

Amendment 3: The purpose of this amendment is as follows: 1. Updated drawings/specs (see Summary of Changes dated 04/30/26). 2. CLIN 0003 updated. 3. Revised 00 22 00 (see 00 22 00 dated 04/30/26). 4. Proposal due date extended to 05/15/26 at 2:00 PM CDT. All other terms and conditions remain the same.

## Sources

- View on SAM.gov: https://sam.gov/opp/89272e354a1a4a0bb0e0cbec076da201/view
- Data as of 2026-11-14. Source: https://sam.gov/data-services/Contract%20Opportunities/datagov

## Cite this

"B-21 Alert Facility, Ellsworth Air Force Base (AFB), South Dakota (SD), SAM.gov contract opportunity 89272e354a1a4a0bb0e0cbec076da201." samgovapi.io, https://samgovapi.io/opportunity/89272e354a1a4a0bb0e0cbec076da201, data as of 2026-11-14. Primary record: https://sam.gov/opp/89272e354a1a4a0bb0e0cbec076da201/view

## API and MCP

- REST: GET https://samgovapi.io/api/v1/opportunities/89272e354a1a4a0bb0e0cbec076da201
- MCP tool: get_opportunity

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