The Indian Air Force's (IAF’s) Gagan Shakti exercise tested the air warriors' ability to deal with nuclear and biological warfare. The 13-day mega military exercise, aimed at sharpening IAF's war-waging capability amid a fast-evolving regional security situation, also tested IAF's ability to fight a two-front war with China and Pakistan. Air Chief Marshal B S Dhanoa said the IAF achieved more than its stated "objectives" during the exercise, conducted from April 8 to April 20. The IAF flew over 11,000 sorties, including nearly 9,000 by its combat aircraft – the indigenously developed Light Combat Aircraft (LCA) Tejas acquitted itself well