Formation patch
![The formation patch worn by the 2nd Army Group Royal Canadian Artillery, a component of II Canadian Corps.](/Images/godic/202502/10/Royal_Canadian_Artillery_II_Cdn_Corps_formation_patch3405.png")
![British infantry of the Royal Regiment of Fusiliers in action during the 2003 invasion of Iraq. The soldier on the left is wearing the famous](/Images/godic/202502/10/1_RRF_engage_Iraqi_Army_positions_with_their_81mm_Mortars._Iraq._26-03-2003_MOD_451427643405.jpg")
Formation patches or Formation badges are types of military insignia developed during the 20th Century. Originally intended as battlefield identification of military formations, they have persisted into the 21st Century as an element of military heraldry.