California Army National Guard Sgt. Marta Petrenko

California Army National Guard Sgt. Marta Petrenko from the Headquarters and Headquarters Detachment, 223rd Regional Training Institute, preps for the React to Contact event with her sponsor, Staff Sgt. Vianey Bronson, also from HHD, during the 2014 Best Warrior Competition at Camp San Luis Obispo on Oct. 21. During this exercise Petrenko and the other competitors completed a simulated Humvee rollover, engaged targets with a paintball rifle, applied first aid to a simulated casualty and radioed in a medevac request. (U.S. Army National Guard photo/Sgt. Ian M. Kummer/Released)