This RFI is surveying industry for wide-field-of-view, space-based optical sensors capable of detecting specific resident space objects. The Government seeks sensors that can search a defined solid angle within 30 minutes from an ESPA-class bus. It emphasizes interest in recent, demonstrated success with low-to-moderate cost and rapid production timelines of approximately two years. High Technology Readiness Level products, re-use opportunities, and responses from small businesses are encouraged.