Extended reality headsets; augmented reality headsets; virtual reality headsets; mixed reality headsets; extended reality head-mounted displays; augmented reality head-mounted displays; virtual reality head-mounted displays; mixed reality head-mounted displays; aircraft and flight simulation equipment, namely, training simulators; land and military vehicle simulation equipment, namely, training simulators; water vehicle simulation equipment, namely, training simulators; avionics for flight simulators; training simulator equipment in the nature of cockpits, seats, control sticks, flight grips, throttles, cyclics, collectives, yokes, levers, steering wheels, rudder pedal mechanisms, command handles, control handles, electric and electronic control panels, instrument panels, hydraulic control panels, environmental control panels, fuel control panels, multi-function displays, and flat panel display screens; interactive flight controllers for use in connection with flight simulation software; interactive land and military vehicle controllers for use in connection with land and military vehicle simulation software; interactive water vehicle controllers for use in connection with water vehicle simulation software; peripheral flight control computer hardware for flight simulation; peripheral land and military vehicle control computer hardware for land and military vehicle simulation; peripheral water vehicle control computer hardware for water vehicle simulation; computer hardware for use in flight simulation and flight training devices for military and commercial aircraft; computer hardware for use in land and military vehicle simulation and training devices for land and military vehicles; computer hardware for use in water vehicle simulation and training devices for water vehicles; downloadable and recorded software for use in flight simulation and flight training devices for military and commercial aircraft; downloadable and recorded software for use in land and vehicle simulation and training devices for land and military vehicles; downloadable and recorded software for use in water vehicle simulation and training devices for water vehicles; downloadable and recorded software for flight simulation training, land vehicle simulation training, military vehicle simulation training, and water vehicle simulation training; downloadable and recorded software for connecting computer hardware, head-mounted displays, and equipment for flight simulation training, land vehicle simulation training, military vehicle simulation training, and water vehicle simulation training; downloadable and recorded extended reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; downloadable and recorded augmented reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; downloadable and recorded virtual reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; downloadable and recorded mixed reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; flight simulation systems comprised of computer hardware, head-mounted-displays, equipment, and downloadable and recorded software for flight simulation training; land and military vehicle simulation systems comprised of computer hardware, head-mounted-displays, equipment, and downloadable and recorded software for land and military vehicle simulation training; water vehicle simulation systems comprised of computer hardware, head-mounted-displays, equipment, and downloadable and recorded software for water vehicle simulation training

Design and development of flight simulation systems, land vehicle simulation systems, military vehicle simulation systems, and water vehicle simulation systems; design and development of computer hardware and software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; providing temporary use of non-downloadable software for use in flight simulation and flight training devices for military and commercial aircraft; providing temporary use of non-downloadable software for use in land and military vehicle simulation and training devices for land and military vehicles; providing temporary use of non-downloadable software for use in water vehicle simulation and training devices for water vehicles; providing temporary use of non-downloadable software for flight simulation training, land vehicle simulation training, military vehicle simulation training, and water vehicle simulation training; providing temporary use of non-downloadable software for connecting computer hardware, head-mounted displays, and equipment for flight simulation training, land vehicle simulation training, military vehicle simulation training, and water vehicle simulation training; providing temporary use of non-downloadable extended reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; providing temporary use of non-downloadable augmented reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; providing temporary use of non-downloadable virtual reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation; providing temporary use of non-downloadable mixed reality software for flight simulation, land vehicle simulation, military vehicle simulation, and water vehicle simulation