[1] SCCS Identification
[2] SWIFT Interface Device
[3] Sound Interface Device
[4] Sudden Ionospheric Disturbance
[5] Silicon Imaging Device
[6] Standard Instrument Departure
[7] Society for Information Displays
[8] Sodium Ionization Dectector
[9] Serial Input Data
[10] Syntax Improving Device (->"IEEE Standard Dictionary")
[11] System Identification
[12] Shuttle Integration Device (->"NASA Acronym List")
[13] Simulator Interface Devices (->"NASA Acronym List")
[14] Standard/System Interface Document (->"NASA Acronym List")
[15] Ilha Do Sal, Cape Verde Islands - internationale Fughafen-Kennung