U.S. Army Capt. Michael Campbell, an Institute of Surgical Research burn flight team member at the San Antonio Military Medical Center, tends to an patient receiving treatment with an extracorporeal membrane oxygenation system on a C-17 Globemaster III, Jan. 16 at Joint Base San Antonio-Lackland, Texas. ECMO is a heart-lung bypass system that circulates blood through an external artificial lung and sends it back into the patient’s bloodstream. (U.S. Air Force photo/Staff Sgt. Kevin Iinuma)

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