Promotion ceremony, US Marine Corps Photo

U.S. Marine Corps Chief Warrant Officer 4 Katrina Mercado (left), assistant officer in charge, Ground Supply Officer Course, Supply School, Marine Corps Combat Service Support Schools, stands with U.S. Marine Corps Chief Warrant Officer 2 Ryan D. Stewart (right), instructor, Ground Supply Officer Course, SS, MCCSSS, while he holds his promotion warrant aboard Camp Johnson, N.C., Aug. 1. The promotion ceremony is a time honored tradition to promote U.S. Marines and to celebrate their accomplishments in the United States Marine Corps. (U.S. Marine Corps photo by Lance Cpl. Holly A. Williams)