 However, the number six has traditionally been associated with the commander of the element.For example, a Humvee assigned to the commander of Charlie Company would be designated "C06," while the 1st Platoon, Charlie Company's command vehicle would be "C16," 2nd Platoon would be "C26," etc.Army Technical Bulletin 43-0139, "Painting and Instructions for Army Materiel", gives information about applying ID markings over camouflage colors.