Slovak Organization for Space Activities - SOSA[1] (Slovak: 'Slovenská organizácia pre vesmírne aktivity') is non-governmental organization based in Bratislava, Slovakia that promotes space-related research and technologies nationally.[2] The organization supports Slovak activities with the European Space Agency (ESA) and the European Southern Observatory (ESO), developed skCUBE, the first Slovak satellite, and organizes events to promote space-related research and industry.