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Quantitative team performance metrics for dismounted infantry battle drill analysis
Clifford L Hancock1, Grace W Teo2, Michael J King2
1U.S. Army Combat Capabilities Development Command - Soldier Center, Natick, MA, USA.
Applied Ergonomics
|February 7, 2025
Summary
Wearable sensors can objectively measure military squad performance in battle drills. These metrics accurately predict team effectiveness in communications, fire, and action, enhancing after-action reviews.
Area of Science:
- Military science
- Human performance optimization
- Wearable technology
Background:
- Effective military operations depend on optimizing small unit performance.
- Current battle drill training lacks objective, quantitative metrics for evaluating team performance.
- Need for advanced assessment tools to supplement traditional observer-controller feedback.
Purpose of the Study:
- To identify wearable-derived measures that predict military squad performance during battle drills.
- To develop quantitative models for assessing key performance constructs.
- To explore the integration of wearable data into future after-action review systems.
Main Methods:
- Utilized data from wearable sensors including inertial measurement units (IMU) and Global Positioning System (GPS).
- Incorporated physiological data (heart rate) and transcribed communication metrics.
- Developed linear mixed-effects models to analyze performance data against specific battle drill constructs.
Main Results:
- Wearable-derived measures significantly predicted squad performance across three critical constructs: Communications, Fire Effectiveness, and Violence of Action.
- Models explained a substantial variance in squad performance, ranging from 51.5% to 63.5%.
- Identified specific sensor-based metrics as reliable indicators of team effectiveness.
Conclusions:
- Wearable technology offers a viable solution for objective, quantitative assessment of military team performance.
- Integrating these metrics into after-action reviews can provide deeper insights beyond traditional feedback.
- This approach has the potential to significantly enhance military training and operational readiness.

