Research, Development, Test and Evaluation (RDTE) Engineering and Technical Support (RETS)

Closed — responses were due 27 May 2026 · Small Business Set Aside - Total · Washington Headquarters Services (WHS), DoD · NAICS 541715 · Solicitation HQ003426RE052

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This solicitation has closed — responses were due 27 May 2026.

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Solicitation details

Solicitation number	HQ003426RE052
Notice ID	b6ea664d6fcb4f029d30784bb9b38237
Agency	Department of Defense (DoD)
Sub-agency	Washington Headquarters Services (WHS)
Contracting office	WASHINGTON HEADQUARTERS SERVICES
NAICS code	541715 — Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology)
Product / service code (PSC)	AJ13
Set-aside	Small Business Set Aside - Total
Notice type	Solicitation
Posted	12 May 2026
Response deadline	27 May 2026 (closed)

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Description

Amendment 0002: the purpose of this amendment is to accomplish the following: (1) Incorporate a revised RETS IDIQ Performance Work Statement (PWS), dated May 6, 2026, as attachment 1. (2) Incorporate a revised RETS TO 0001 PWS dated May 12, 2026, as attachment 2. (3) Incorporate the revised Task Order 0001 Pricing Template as Attachment 8. (4) Update FAR 52.212-1 and FAR 52.212 Addendum as Attachment 9. (5) Update Task Order 0001 Instructions as Attachment 10. (6) Incorporate the Government responses to Industry questions as Attachment 11. (7) Update FAR Clause 52.216-22 Indefinite Quantity. (8) Update FAR Clause 52.212-4 Contract Terms and Conditions - Commercial Products and Commercial Services. (9) Incorporate revised Attachment 07 Past Performance Questionnaire.(10) Update Section H Special Contract Requirements Clauses. (11) Extend the proposal due date and time to May 27, 2025, at 11:00am Eastern Standard Time. (12) All revisions are highlighted in light blue. Amendment 0001: The purpose of this amendment is to Update 52.212-1 Instructions to Offerors ? Commercial Products and Commercial Services as attachment 09, and extend the Questions and Responses to Solicitation due date and time for Research, Development, Test and Evaluation (RDTE) Engineering and Technical Support (RETS).

Version history

SAM.gov has posted 5 notices under solicitation HQ003426RE052, oldest first.

14 April 2026 — Solicitation
21 April 2026 — Solicitation
12 May 2026 — Solicitation (this page)
15 May 2026 — Solicitation
19 May 2026 — Solicitation (latest)

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Market context: DoD and NAICS 541715

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In fiscal year 2026, DoD obligated $10.1B across 5,114 contract actions under NAICS 541715.
4,052 contracts worth $40.4B in this category end within the next 18 months.

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