1. 16th Combat Aviation Brigade, Holistic Health and Fitness, Joint Base Lewis-McChord, WA 98433, USA
2. Center for Sport Performance, Department of Kinesiology, California State University, Fullerton, CA 92831, USA
3. Tactical Fitness and Nutrition Lab, School of Kinesiology, Applied Health and Recreation, Oklahoma State University, Stillwater, OK 74078, USA
4. Tactical Research Unit, Bond University, Robina, QLD 4229, Australia