Secure Unclassified Network (SUNet) Modernization - Call for Solutions

Amendment / Modification

• The deadline for Solution Brief submissions has been adjusted to Thursday, 05 March 2026 at 1200 ET.

• Clarifying technical details have been added, highlighted in yellow within the document.

• The primary change impacts the submission deadline for Solution Briefs.

• Technical details throughout the document have been updated or clarified.

• The deadline for submitting Solution Briefs is now Thursday, 05 March 2026 at 1200 ET.

• Potential bidders should review the updated technical details to ensure their proposals align with the latest requirements.

Amendment / Modification

This amendment (0002) to the Call for Solutions (CSO) adds clarifying language related to the follow-on contract opportunity within section 1.0 of the original document. The specific changes are highlighted in yellow within the document.

• Section 1.0 (Problem Statement) has been updated with clarifying language regarding the follow-on contract opportunity.

• No changes to proposal deadlines or submission requirements are indicated by this amendment. The submission deadlines for questions/clearance, Q&A, and Solution Briefs remain as previously stated.

Amendment / Modification

This amendment (0001) to the Call for Solutions (CSO) primarily serves to correct an email address that was highlighted in yellow within the original document.

• The specific email address correction is not detailed in the amendment text itself, but it is indicated that the correction is highlighted in yellow within the document.

• No changes to proposal deadlines, requirements, or evaluation factors are mentioned in this amendment. The amendment is administrative in nature, focusing solely on correcting an email address.

Solicitation / RFP / RFQ

This "Call for Solution" (CFS) solicits innovative and modernized approaches for the next generation of the Department of War's (DoW) Secure Unclassified Network (SUNet) system. The objective is to iteratively develop and demonstrate a SUNet optimized for rapid experimentation, development, testing, and validation of Artificial Intelligence and Machine Learning (AI/ML) tools, as well as data labeling, off the Department of Defense Information Network (DoDIN).

• Develop a prototype SUNet system that can be refined into a minimum viable product within 6 months and a full production system within 12 months of contract award.

• Establish at least seven (7) types of segmented virtual enclaves with specific characteristics for diverse customers (DoW, academia, industry, foreign partners, etc.).

• Enclaves must support hybrid on-premises and cloud infrastructure, AI/ML development, data labeling (IL5 environment), secure internet connectivity, interaction with edge systems, and remote site communication.

• Deploy mission-specific data and tools, enterprise tools, and data management capabilities.

• Implement Zero Trust Architecture and meet NIST SP 800-53 Rev 5 requirements.

• Maximize automation of DevSecOps practices and support remote access.

• Demonstrate ability to host CUI data at IL5.

• The awarding instrument will be in accordance with Army Open Solicitation (AOS) procedures detailed within Solicitation W9128Z-25-S-A002.

• A follow-on production contract or transaction may result from this award without further competitive procedures.

• Interested vendors must submit a Solution Brief.

• Key deadlines:

  • SUNet modernization questions/clearance submission deadline: Tuesday, 10 February 2026, 1400 ET.
  • Virtual Q&A session: On or about Thursday, 12 February 2026.
  • Solution Briefs Due Date/Time (Suspense): Wednesday, 25 February 2026, 1200 ET.

• Solution Briefs will be evaluated based on Feasibility, Viability, Desirability, Technical Merit, Schedule, and Price (Rough Order of Magnitude).

• Submissions must meet specific gate criteria, including SECRET facility clearance and TS SCI eligibility.

• Not explicitly stated, but diverse user groups are mentioned, including government users, traditional DoW vendors with CACs, academia, and non-traditional industry users without CACs.

• Resellers and academic research proposals are not desired.

• The government reserves the right to go directly from Solution Brief to award.

• All solution briefs will be valid for 180 calendar days after the submission date.