STSS

STSS is an acronym that can refer to several different programs, organizations, or concepts, depending on the context. In defense and space domains, STSS most commonly stands for Space Tracking and Surveillance System, a United States initiative to develop space-based sensors and data links for missile defense and space situational awareness. The program generally involves experimental satellites and ground segments designed to detect and track ballistic missiles and to provide early warning and targeting data.

In the field of tourism and regional planning, STSS has been used to denote Sustainable Tourism Satellite System, a data framework that uses satellite-derived information to monitor tourism activity, land use, and environmental effects, supporting policy development and sustainable planning.

In educational and nonprofit settings, STSS is sometimes used as an internal acronym for student support services or tutoring programs, representing a suite of services aimed at improving student success through mentoring, tutoring, and access to resources.

Because the acronym spans multiple sectors, the precise meaning of STSS should be inferred from the surrounding text. See also Space-based sensing; Tourism satellite applications; Student support services.