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OpenDue February 25, 2026

Secure Unclassified Network (SUNet) Modernization - Call for Solutions

DEPT OF DEFENSE

About this opportunity

Amendment 0001: The purpose of this amended CSO call is to correct the email address as highlighted in yellow within the document. Secure Unclassified Network (SUNet) Modernization - Call for Solutions The Department of War (DoW) requires the next generation of its Secure Unclassified Network (SUNet) system. SUNet is a government owned, secure, unclassified digital environment that enables DoW and mission partners to rapidly experiment with new software and develop Artificial Intelligence and Machine Learning (AI/ML) tools off the Department of Defense Information Network (DoDIN)-- without sacrificing cybersecurity. SUNet acts as a digital sandbox and provides logically segmented areas of compute and storage resources for DoW and mission partners to collaborate, label data, rapidly onboard...

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