Social Security Number Stream Sequence Number Space Surveillance Network Station Serial Number Subsystem Number Shuttle Support Node Sub-System Number Switched Service Network Attack Submarine Server Sequence Number Social Security Numbers South South North Specification Serial Number Station Sequence Number Surgical Segment Navigator Airquarius Air Charter IATA code for Seoul Ab, Seoul, South K… Nuclear Submarine Nuclear-Powered Attack Submarine secure supercomputing networking See-saw nystagmus Segment Stack Number sensory neuronopathy sensory neuropathy Servizio Sanitario Nazionale Severely subnormal shape-stable nosetip sickness nephritis Sintered Silicon Nitride Sistem Standardisasi Nasional
Social Security Number
Space Surveillance Network