2020-11-30 I/ITSEC 2020 I/ITSEC 2020 November 30, 2020 - December 4, 2020 I/ITSEC 2020 The Interservice/Industry Training, Simulation, and Education Conference (I/ITSEC) is the world’s largest modeling, simulation, and training event is November 30th to December 4th in Orlando.