STS

STS is a three-letter abbreviation which may refer to:

cience and technology

*Science and technology studies
*Socio-technical systems
*Scanning tunneling spectroscopy, a spectroscopy technique based on Scanning Tunneling Microscope
*Sequence-tagged site, a gene-reference in genomics
* Space Transportation System, the official name of the Space Shuttle program
*Semipalatinsk Test Site, the primary test site for Soviet nuclear weapons
*Intel Science Talent Search, a research-based science competition
*Space Tourism Society, a society focused on space tourism
*Ship-to-ship transfer, an operation where cargo is transferred between seagoing ships
*Ship-to-shore crane, another term for a Container crane
*STeroid Sulfatase, an enzyme

Computing

*State transition system, an abstract machine used in the study of computation
*Station-to-Station protocol, a cryptographic key agreement scheme that provides mutual authentication
*Synergy Teleconferencing System, a computer bulletin board operating system
*SharePoint, originally known as SharePoint Team Services
*Microsoft Live Labs Security Token Service, a gateway to handle claims within Microsoft's Identity Metasystem

Communications

*"Serviciul de Telecomunicaţii Speciale", the Romanian Special Telecommunication Service
*STS Relay, the speech to speech relay service available via 711 in the United States
*STS (Russian television network), a Russian TV channel
* STS, a Synchronous Transport Signal, part of the Synchronous optical networking communications system

Culture

*Satanas, a Filipino-American gang
*Stepover Toehold Sleeper, a submission hold used in professional wrestling
*Saints, the plural of Saint, for example: Sts. Peter and Paul
*Sing the Sorrow, an album by AFI
*Swallow the Sun, a Finnish Doom/Death Metal band.

ocieties, organisations and companies

*Sheboygan Transit System, a public bus system run by the city of Sheboygan, Wisconsin
*Siemens Transportation Systems, the transportation business unit of Siemens AG
*Scottish Tartans Society, a defunct Scottish society devoted to tartan
*Society of the Holy Trinity (Societas Trinitatis Sanctae - STS), Lutheran ministerium

Other uses

*Cadillac STS, a luxury car sold by Cadillac
*Saints, the plural of Saint, for example: Sts. Peter and Paul
*STS, the IATA airport code for Charles M. Schulz - Sonoma County Airport
*Strathcona-Tweedsmuir School, a private school in Alberta