The defence chief said the military would take every measure to ensure that the mistake never occurs again. Gen. Christopher Musa, has assured that the unfortunate drone incident that killed and injured many people at Tudun Biri village in Kaduna State, will not be repeated.Musa gave the assurance while speaking with newsmen at the 4th Edition of the Chief of Defence Staff Armed Forces and Security Agencies Half Marathon Championship 2023, on Saturday in Abuja. He said the nation and the armed forces were mourning those who died during the incident, adding that the accident was regrettable. Th…