Army officials declined to release the perpetrator's name or rank Friday.
VIDEO: How to Get Ready for the Army ACFT Leg Tuck
Please join Chief Warrant Officer 2 Bradley Garrett, fitness trainer with 38th Air Defense Artillery Brigade, as he guides you through ways to strengthen the muscles needed to properly execute the leg-tuck event of the Army Combat Fitness Test while Chief Warrant Officer 2 River Mitchell and Master Sgt. Kevin Rainey demonstrate the exercises in this episode of Pacific Guardian Fitness. (U.S. Army video)