11th Air Defense Division
The 11th Air Defense Division (Serbo-Croatian: 11. divizija protivvazdušne odbrane/ 11. дивизија противваздушне одбране) was an air defense division established in 1964 1st Air Defense Zone (Serbo-Croatian: 1. zona protivvazdušne odbrane / 1. зона противваздушне одбране).
military unit
military unit