After their return from Germany , Canadian ADATS systems were only operationally deployed once : In June 2002 , they were used to defend the airspace of the G8 summit held in Kananaskis , Alberta . Canadian ADATS were never operationally deployed in Bosnia or Afghanistan . As 31 March 2011 , the ADATS has been withdrawn from Canadian service with no planned replacement announced
G8 summit held in Kananaskis , Alberta
28th G8 summit
Air Defense Anti-Tank System