Thirteenth: Six self-propelled Kavadrat missile battalions were formed to work within the field air defense (armored and mechanized divisions) and entered this type of missiles in 1974, as follows: Kavadrat Missile Battalions Missile Battalion Date Linked K.M.B. 155th September 26th 1974 First Corps K.M.B. 162nd November 7th 1974 Fifth Corps K.M.B. 175th March 23rd 1975 Fourth Corps K.M.B. 185th August 9th 1979 Third Corps K.M.B. 186th March 12nd 1980 RGFC K.M.B. 183rd August 9th 1979 eighth Corps