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| Subject | English | Thesaurus |
| abbr., astronaut. | Advanced Systems and Technology Programme | ASTP (ESA) |
| abbr., scottish | Naval Combat System LAN Technology Demonstrator Programme | NCSLANTDP (UK MoD) |
| abbr., scottish | Sensor Technology for Affordable IR Systems programme | STAIRS (UK) |
| abbr., file.ext. | Systems Services and Technology | SST |
| abbr., scottish | Systems Technology Programme | STP |