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Joint Semi-Automated Forces (JSAF)
Joint Semi-Automated Forces (JSAF) is a simulation system
sponsored by U.S. Joint Forces Command (USJFCOM).
The system generates entity-level simulations which interact
individually in a synthetic environment. Individual entities
include infantrymen, tanks, ships, airplanes, munitions,
buildings, and sensors. They can be controlled separately
or organized into appropriate units for a given mission.
USJFCOM uses JSAF for human-in-the-loop, virtual experiments
which routinely run more than 100,000 entities at a time.
The U.S. Navy's Maritime Battle Center also uses JSAF as
the core simulation for its fleet battle experiments and
as a component of the Joint National Training Center.
JSAF evolved from the Defense Advanced Research Projects
Agency's Synthetic Theater of War Advanced Concept Technology
Demonstration, which aimed to develop and integrate the
technologies necessary to demonstrate entity- or platform-level
simulation in support of joint command and staff training
and mission rehearsals.
JSAF’s
synthetic environment represents real-world terrain,
oceans, and weather conditions that affect the
behaviors and capabilities of the simulated forces. The
behaviors of the JSAF entities are affected by line of
sight, time of day, currents, tides, slope, smoke, soil
conditions, water depth, and cloud cover.
JSAF draws a large-scale, worldwide terrain database to
generate high-fidelity simulations of many environments,
including the detailed of urban terrain.
The system also
simulates detailed civilian behavior - critical in representing
urban environments.
Simulation can be run locally or distributed on a wide-area
network. JSAF supports multiple federations, or collections
of simulation components that work together to represent
the joint battlespace.
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