General Dynamics C4 Systems was originally owned by GTE and operated as GTE Government Systems. General Dynamics acquired GTE Government Systems in 1999.
NOTE: This history needs investigation & update to show General Dynamics' purchase of the Motorola Integrated Information Systems Group (IISG) in 2001 as the General Dynamics Decision Systems business unit and the later merger with GDC4S.
ModIOS - Defense Information System Simulation Management tool for Windows and UNIX®. As one of the most comprehensive exercise management software packages commercially available, ModIOS provides the network interface to simulation, exercise control functions, 2D and 3D views, recording and playback of simulated exercises, voice communications and after action review debriefs/reports.
S2Focus - Commercial-Off-The-Shelf (COTS) software tool suite that provides the critical infrastructure necessary to conduct distributed simulations and training. Key capabilities include data recording, data analysis, data filtering and control, data visualization, mission planning, learning content management, and user progress tracking.