This is a draft Call for Solutions for a Shipboard Isolation System (SIS) prototype, inviting solution briefs under a prototype Other Transaction authority. The Government intends to award multiple agreements to the most advantageous offerors. Inquiries and questions must be submitted via email to both listed Points of Contact no later than 1700 Eastern Time on March 25, 2026. All communications must be in writing and directed exclusively to the specified Government personnel. The performance location and budget information are not specified in the provided description.