NEW DELHI, November 1: Newly appointed Chief of the Air Staff, Air Chief Marshal Ashutosh Dixit, on Sunday stressed the need for round-the-clock operational preparedness, saying every squadron, air defence unit, radar system and air warrior must remain ready to respond at a moment’s notice. A day after taking charge as the 29th Chief of the Indian Air Force (IAF), Air Chief Marshal Dixit outlined his vision and priorities, highlighting the restoration.