Commission on Confederate names, symbols in military considers dropping 29th Infantry Division's blue and gray insignia Baltimore Sun Sewing patches onto Marine Corps dress blues perfect every time. YouTube Is there an actual reason why we use the colored flag patch on our uniform instead of a subdued one like our unit deployment patches? Always kinda noticed it and never heard the Question concerning patches and service dress uniforms. : r navy Patching Ceremony: A Long Standing Tradition Article The United States Army America. Each one of those hash marks on his right sleeve represents six months on a combat deployment.