The government is seeking solution briefs for a prototype Portable Patient Transport System (PPTS) under a revised Call for Solutions, with multiple prototype Other Transaction agreements anticipated. All inquiries must be submitted via email to the specified points of contact by 1600 Eastern Time on 17 June 2026. The performance location is not specified in the description. No budget amounts are provided. This opportunity is for prospective bidders interested in developing a prototype patient transport system for the Department of Defense.