NEW DELHI, July 23 -- The Indian Air Force is set to phase out the last of its iconic Mikoyan-Gurevich MiG-21 fighter jets in two months, ending a jou- rney of 62 years, officials aware of the matter said on Tuesday. The fighter jets will be decommissioned at a ceremony planned in Chandigarh on September 19, the officials said, asking not to be named. The air force currently has two MiG-21 squadrons , the No 23 Squadron, better known as "Panthers", and the No 3 Squadron or "Cobras." Both are based at the spr- awling Nal desert fighter base near Bikaner. The induction of the MiG-21, India's first supersonic fighter, began in 1963. The MiG-21's 62-year history in IAF has been punctuated by accidents that put the Soviet-origin aircraft's safety record under scrutiny and led to a chorus of concern and calls for its replacement. P4...