Petty Officer 2nd Class Jonathan Cleek, right, a hospital corpsman with Reconnaissance Platoon, Battalion Landing Team 3/8, 26th Marine Expeditionary Unit, demonstrates a stretcher system to Warrant Officer Alex Tsaltas, a medic

Petty Officer 2nd Class Jonathan Cleek, right, a hospital corpsman with Reconnaissance Platoon, Battalion Landing Team 3/8, 26th Marine Expeditionary Unit, demonstrates a stretcher system to Warrant Officer Alex Tsaltas, a medic