ARMY OPEN SOLICITATION (AOS)
Contract Overview
Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.
AI Contract Overview
The Army Open Solicitation (AOS), solicitation number W9128Z-25-S-A002, is an indefinite open solicitation issued by the U.S. Army Contracting Command-Aberdeen Proving Ground (ACC-APG) Digital Capability Contracting Center of Excellence. Its primary objective is to support all Army mission areas and maximize Army lethality by rapidly acquiring innovative commercial technologies, research and development solutions, and software acquisition pathway procurements. The AOS leverages a broad range of authorities, including FAR 6.102(d)(2), FAR 35.016 Broad Agency Announcements, and various 10 U.S.C. sections for prototypes and experimental procurements, as well as the Commercial Solutions Opening (CSO) process. Interested parties can engage through two primary methods: responding to Active Capability Gaps (ACG) or submitting proposals in response to specific Calls for Solutions. The award process generally follows a multi-phase approach consisting of a Solution Brief, a Live Pitch, and a final Solution Proposal. Evaluation is based on a hierarchy of Technical Merit, Viability, Feasibility and Desirability, and Schedule and Price. All submissions must be unclassified, and the government does not reimburse companies for costs incurred during the initial three phases of the solicitation process. Key administrative requirements include mandatory registration in the System for Award Management (SAM) and the use of the Wide Area Work Flow (WAWF) for invoicing. Security requirements mandate that all government data reside within the exclusive legal jurisdiction of the United States. Solution Briefs are strictly limited to five written pages in 12-point font or fifteen briefing slides and must be submitted as a single PDF document. While the overall AOS remains open in perpetuity until canceled, individual Calls for Solutions have specific, limited response windows.
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26 MARCH 2026 AMENDMENT 11 - The AOS document and Attachment 1 document are revised to add Army Example Area (AEA) updates, which are posted under "Attachments".
23 FEBRUARY 2026 AMENDMENT 10 - AOS document is revised to add a new Army Example Area (AEA) and posted under "Attachments".
3 DECEMBER 2025 AMENDMENT 9 - AOS document and Attachment 1 document are revised and posted under "Attachments".
7 AUGUST 2025 AMENDMENT 8 - AOS document and Attachment 1 document are revised and posted under "Attachments".
24 JULY 2025 AMENDMENT 7 - AOS document is revised and posted under "Attachments". The revision provides an update to the Active Capability Gap (ACG) mailboxes listed under Section J - Contracting Information. Additionally, Request for Information (RFIs) will at times be posted under "Links" to create more awareness to AOS interested vendors. RFIs posted under AOS are for market research purposes only and the Government has no obligation to post a subsequent Call for Solution under AOS for the requirement.
10 JULY 2025 AMENDMENT 6 - Attachment 1 document is revised and posted under "Attachments".
1 JULY 2025 AMENDMENT 5 - AOS document is revised and posted under "Attachments". The revision provides the remaining Active Capability Gap (ACG) mailboxes listed under Section J - Contracting Information.
24 JUNE 2025 AMENDMENT 4 - AOS document is revised and posted under "Attachments".
11 JUNE 2025 AMENDMENT 3 - AOS and Attachment 1 documents are revised and posted under "Attachments".
20 MAY 2025 AMENDMENT 2 - Going forward, all Call(s) for solutions will be posted under "Links" within this AOS Special Notice.
15 MAY 2025 AMENDMENT 1 - Attachment 1 for the Army Open Solicitation (AOS) Active Capability Gap (ACG) Procedures is incorporated within this special notice.
*Note* - The mailboxes for the Active Capability Gap (ACG) Portion are available in the AOS document, Section J - Contracting Information
The Army Open Solicitation (AOS) aims to support all Army Mission Areas and to revive the industrial base in order to maximize the lethality of the Army. This solicitation will enable the Army to rapidly acquire and deliver innovative solutions to the Warfighter using commercial technology advancements and research and development solutions. Additionally, this solicitation highlights procurements subject to the Software Acquisition Pathway (SWP).
The U.S. Army Contracting Command – Aberdeen Proving Ground is interested in making awards by maximizing existing authorities and combining any single authority or a combination of the authorities below:
- Federal Acquisition Regulation (FAR) 6.102(d)(2) – Other Competitive Procedures
- FAR 35.016 Broad Agency Announcement / Defense Federal Acquisition Regulation
- Defense Federal Acquisition Regulation Supplement (DFARS) 235.016 Broad Agency Announcement / DFARS 235.006-71 – Competition
- 10 U.S.C. §4021 – Research projects: transactions other than contracts and grants
- 10 U.S.C. §4022 – Authority of the Department of Defense (DoD) to carry out certain prototype projects
- 10 U.S.C. §4023 – Procurement for experimental purposes
- 10 U.S.C. §3458 – Authority to acquire innovative commercial products and commercial services using general solicitation competitive procedures / DFARS 212.70 – Defense Commercial Solutions Opening
- Employee Stock Ownership Pilot (ESOP) Program authorized by Section 874 of the National Defense Authorization Act (NDAA) for Fiscal Year (FY) 2022, as amended by Section 872 of the NDAA for FY2024.
ACC-APG is seeking to obtain commercial, innovative solutions or potential capabilities that fulfill requirements, close capability gaps, or provide potential innovative technological advancements, and pursue meaningful proposals with varying technical or scientific approaches that can be reasonably anticipated. ACC-APG is also seeking to obtain basic research, applied research, advanced technology development, and advanced component development, prototypes and incidental production that demonstrate that fulfill requirements, close capability gaps, and/or provide meaningful solutions.
Interested parties are highly encouraged to review the Army Open Solicitation to obtain additional information on the process for providing solutions under this solicitation. The Army Open Solicitation enables companies to respond to Active Capability Gaps within the Army Mission Areas and through the Government release of Calls for Solutions. Both methods are outlined in the solicitation but utilize two separate processes.
As Amendments are posted on the Army Open Solicitation, the Government will delete the previous version and upload the latest conformed version. All revisions will be highlighted in yellow to allow for transparency of the revisions made.
Request for Information (RFIs) posted under AOS are for market research purposes only and the Government has no obligation to post a subsequent Call for Solution under AOS for the requirement.
Please note that this Army Open Solicitation will remain open in perpetuity until canceled by the U.S. Army. However, Call for Solutions will be open for a limited period of time and will include individual response times.
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