The RFI seeks information on shipboard chemical hazard detection and identification systems for US Navy and Coast Guard vessels, serving as a direct replacement for the currently deployed IPDS-LR. Interested parties must propose technologies at TRL 5 or higher capable of detecting chemical warfare agents, non-traditional agents, and pharmaceutical-based agents. Systems must integrate with shipboard power, serial/copper and fiber-optic networks, and withstand shock, vibration, EMI, and maritime environmental conditions like corrosion and salt spray. The government is open to partial solutions,