Computer software; Network management computer software; Computer operating systems programs; Computer systems; Access interfaces for managed private circuit networks; Computer network operating installations; Simulators; Simulators for simulating the operation of aircraft; Simulators for simulating the operation of land vehicles; Simulators for simulating the operation of motor vehicles; Simulators for simulating the operation of space vehicles; Simulators for simulating the operation of watercraft; Simulators for simulating the operation of weapons