The Army requests RS3 contractors review a draft PWS for the SPARK effort supporting the SIGINT and Quick Reaction Capabilities Division within the C5ISR Centers Engineering and Systems Integration Directorate. SPARK covers platform integration, militarization, RMF accreditation, and worldwide 24/7 sustainment, while the division conducts rapid R&D and transition of C5ISR capabilities. The RFI seeks potential sources and technologies for areas including design/mechanical drafting, platform software integration, digital/network architecture, field service deployment, training and curricula, integrated logistics, SCRM/warehousing, O&M, FMS anti-tamper/export sanitization, and high-assurance cross-domain routing. Operational mission spans CONUS, OCONUS, and designated Hazard Duty/Combat Zone areas, with Government Project Leads directing projects and IPTs composed of government and contractor personnel. This is an informational RFI only, not a task order RFP or award commitment, and responses are voluntary.