This is a sources sought notice for non-personal professional security services across multiple disciplines at NSWC Crane, Indiana. The potential contract is a Cost-Plus-Fixed-Fee, Level of Effort type with a one-year base period and four option years, requiring an estimated 106 FTEs or 1,014,809 hours per year plus a 10% surge. The notice is for planning and market research to determine the availability and capability of SeaPort-NxG MAC holders only, and it is not a request for proposals. Responses must demonstrate the ability to perform the listed security task areas and will be used to inform a potential future acquisition strategy.