Military tattoos are very popular among people who have served in the military, currently serve, or in memory of a loved one who has served and usually passed. Military tattoos include all branches of military, such as Army, Navy, Marines and Air Force. Soldiers make sacrifices to protect their country. Common military symbols seen in military tattoos are crosses, eagles, skulls, flames, flags, dates and names. Dog tags are also commonly used as a symbol of a loved one who has passed.