On this picture you can find sewable patch with pentagram and Satan on it. Signs are in the same theme. Red and black colors. Used on camoflage uniform. 

The idea: The pentagram patch is a sign of a battalion that has lost its life in battle. It is a reminder of the ultimate sacrifice they have made to protect the nation and their loved ones. The moortus phalanx symbol is a representation of the courage and fortitude of the soldiers who have gone before