Abstract
The live fire test and evaluation (LFT&E) program is oriented towards providing a realistic assessment of the survivability and lethality of a military system. A component of every live fire test is an assessment of crew survivability. Three major ergonomics related projects, operational requirements-based casualty assessment (ORCA), combined toxic gas modeling, and gravitational loss of consciousness (G-LOC), are described. ORCA is a comprehensive standardized methodology for assessing personnel casualties following weapon induced injury. The combined toxic gas model is an incapacitation model that incorporates complex physicochemical interactions between gases and tissues and accommodates experimental data across animal species and humans. Two G-LOC related efforts are discussed. The first endeavor is expanding upon the automatic ground collision avoidance system (GCAS). The second project is being conducted via five tasks.
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