The American Campaign Medal (ACM) Ribbon is presented by the United States Department of War and United States Department of Navy to the personnel who served in the United States Military Service for at least 30 days outside United States or atleast one year inside United States between December 7, 1941 and March 2, 1946. The ribbon is light blue in color and bisected by three thin vertical stripes of blue, white, and red. Toward the edge of the ribbon on each side there are a series of thin vertical stripes of white, red, black, and white towards the end.