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PARASIM®

Defense Division

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VIRTUAL REALITY PARACHUTE TRAINING Simulator

High Success, Low Risk

For premeditated jumping or emergency egress, PARASIM® is the safe, efficient and cost-effective way for parachute jumpers to hone skills and plan missions before taking to the air.

PARASIM® combines 3D virtual reality with validated parachute dynamics and realistic, instrumented controls to teach parachute maneuvering in the safety of the classroom, imparting skills that will be automatic when it really counts!

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The gold standard for parachute

flight training.

PARASIM® has been the standard parachute training solution for aircrew and airborne paratroopers for more than 35 years, 400 systems sold worldwide. PARASIM® is used by the U.S. Army, Navy, Air Force and Marines for both premeditated airborne operations and for emergency bailout and ejection training. The PARASIM® system is a patented training simulator designed to provide immersive, realistic parachute flight training – trusted by military and aviation professionals worldwide.

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Greater preparedness, reduced risk, and enhanced skills.

Whether you live to jump or jump to live, you’re fully prepared with PARASIM®. We recreate the jump experience by combining virtual reality, validated parachute dynamics based on real-world physics, and realistic canopy controls.

Whether for mission rehearsal or emergency procedures training, PARASIM® covers the full jump experience from aircraft exit, through canopy deployment, canopy malfunctions recognition and correction, canopy control and navigation, to approach and safe landing.

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VBS4 (Virtual Battlespace 4)

VBS4 (Virtual Battlespace 4) is a next-generation, high-fidelity military simulation software designed for realistic training. It features a scalable whole-earth environment, advanced graphics, intelligent AI, and integrated tools such as VBS Geo, enabling complex, large-scale scenarios for command and control, tactical training, mission rehearsal, and combined arms simulation.

Optimized for modern hardware and VR/MR systems, VBS4 supports immersive, adaptable training environments used by defense organizations worldwide. Recognized as the gold standard in military simulation training, VBS4 is adopted by numerous countries to deliver credible, future-ready training solutions.

Key Features:

  • Global Terrain: Whole-earth environment with realistic atmospheric conditions and Earth's curvature.

  • Graphics Engine: Modernized rendering engine for volumetric lighting, better shadows, and higher performance.

  • Vegetation & Environment: Procedural, dynamic vegetation, detailed snow/ground saturation, and 3D clouds with volumetric shadows.

  • AI: Configurable, predictable, and repeatable AI system.

  • Tools: Streamlined scenario creation with VBS Geo to rapidly customize terrains without the need for expert knowledge.

  • Interoperability: Integrates with VR/MR and other simulation systems via protocols like HLA/DIS.

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Rehearse group operations. Increase mission success.

With a multi-station PARASIM® Network, you can plan every detail of a group mission including possible problem scenarios, using real-world terrain data and imagery. Team members can see each other in the shared virtual environment, follow the team leader, practice free fall maneuvering, avoid collisions, and land safely together at the target.


©2026 Systems Technology, Inc.

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