MCSC supports Air Force-led effort to safely transport COVID-19 patients - Representatives from the Marine Corps, Army, Air Force and Navy gather inside a prototype Negatively Pressurized CONEX, April 30, 2020, aboard Joint Base Charleston, South Carolina. In 2020, Marine Corps Systems Command assisted in an Air Force-led effort to design and acquire the transportation system intended to support patients affected by the COVID-19 pandemic. (U.S. Air Force photo)