This requirement is limited to SeaPort-NXG MAC holders; no other offers will be considered, and holders must register for PIEE accounts to receive solicitations and submit proposals. The work covers research, development, test, evaluation, engineering, and fleet support for Navy ships, submarines, military watercraft, Military Sealift Command vessels, and unmanned vehicles for NSWCPD Division 33. Division 33 also serves as NAVSEA’s ISEA for non-aviation Chemical/Biological Defense Individual Protective and Decontamination Systems and Equipment, supporting Codes 335 and 336 across four functional areas. Services include developing design policy, equipment and system specifications and standards, doctrine, and providing logistics and engineering support. Questions are due 10 days after solicitation issuance and must be emailed to Tiffany Vu and Angela Cusati; late questions are not guaranteed to be answered.