The Pearl Harbor Naval Shipyard is seeking contractors to provide technical assistance, removal, re-installation, and operational testing support for CO2 Scrubbers and CO H2 Burners on a Los Angeles-Class Submarine. Responses to this sources sought notice must be submitted by 14 July 2026, 0900 HST. Performance of services will be located at Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility. No budget amount is specified in the description. This market research will help determine the procurement method, and submission is voluntary with no financial responsibility assumed by the government.