The Naval Surface Warfare Center, Crane Division, is seeking information from SeaPort-NxG MAC holders for non-personal security support services across 13 task areas, including physical, information, and personnel security. Performance of all services will be at the government site in Crane, Indiana, with the Program Manager required to be within a 50-mile radius. The anticipated contract type is a single Cost-Plus-Fixed-Fee, Level of Effort contract with a one-year base and four option years, estimated at 106 FTEs per year. This sources sought is for market research to determine potential small business set-asides, and only responses from SeaPort-NxG MAC holders will be considered. No budget amounts or submission deadlines are specified in this notice.