OSIT

AcronymDefinition
OSITOpen Source Intelligence Techniques (Michael Bazzell book)
OSITOn-Site Inspection Team
OSITOperational Strategies Implementation Team (Australian Strategic Air Traffic Management Group)
OSITOulun Selittämättömien Ilmiöiden Tutkimusseura (Finnish: Oulu Muddled Phenomena Research Society; paranormal research group; Oulu, Finland)