DTRA Arms Control Enterprise System (ACES) Support Services Follow-On

Inactive on SAM.gov — responses were due 14 Jul 2026 · No Set aside used · Defense Threat Reduction Agency (DTRA), DoD · Fort Belvoir, VA · NAICS 541990 · Solicitation HDTRA126R0048

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SAM.gov marked this notice inactive — responses were due 14 July 2026.

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Solicitation details

Solicitation number	HDTRA126R0048
Notice ID	e10c9868d40d4869934c33a56a8da2fc
Agency	Department of Defense (DoD)
Sub-agency	Defense Threat Reduction Agency (DTRA)
Contracting office	DEFENSE THREAT REDUCTION AGENCY
NAICS code	541990 — All Other Professional, Scientific, and Technical Services
Product / service code (PSC)	DA01
Set-aside	No Set aside used
Notice type	Special Notice
Posted	29 June 2026
Response deadline	14 July 2026 (closed)
Place of performance	Fort Belvoir, VA, USA

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Description

The Defense Threat Reduction Agency (DTRA) intends to issue a sole source follow on contract to HDTRA121C0057 for the Arms Control Enterprise System (ACES) Operations and Maintenance (O&M) Support to Peraton,Inc. This sole source contract will be issued in accordance with FAR 6.103-1 (DoD Deviation 2026-O0017), Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. THIS IS NOT A REQUIREMENT FOR COMPETITIVE PROPOSALS. Interested parties have fifteen (15) days from the date of publication of this notice to submit in writing to the identified point of contact clear and convincing evidence of their qualifications and/or capabilities. Such qualifications and/or capabilities will be used solely for the purpose of determining whether or not to conduct this procurement on a competitive basis. Responses received after fifteen (15) days, with or without the required information, will be considered non-responsive to this notice and will not be considered. A determination by the Government not to conduct this effort as a full-and-open competitive procurement, based upon responses to this notice, is solely within the Government's discretion. The Government will not reimburse for any expense incurred to respond to this notice. Telephonic inquiries will not be accepted.

Version history

SAM.gov has posted 4 notices under solicitation HDTRA126R0048, oldest first.

29 June 2026 — Special Notice (this page)
21 July 2026 — Solicitation
21 July 2026 — Solicitation
06 October 2026 — Award Notice (latest)

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Market context: DoD and NAICS 541990

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In fiscal year 2026, DoD obligated $2.2B across 750 contract actions under NAICS 541990.
471 contracts worth $4.7B in this category end within the next 18 months.

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