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|11th Regiment Tennessee Volunteer Cavalry||11th Regiment United States Colored Infantry (Old)||11th Regiment of Bombay Native Infantry|
|11th Regiment of Connecticut Militia||11th Reserve Division (German Empire)||11th Rhode Island Infantry|
|11th Rifle Corps||11th Rifle Corps (Soviet Union)||11th Rifle Division|
|11th Rocket Brigade||11th Royal Tank Regiment||11th SS-Standarte|
|11th SS Panzer Army||11th SS Police Regiment||11th SS Volunteer Panzergrenadier Division Nordland|
|11th School Group||11th Siberian Rifle Division (Russian Empire)||11th Signal Brigade|
|11th Signal Brigade (United Kingdom)||11th Signal Brigade (United States)|