As the nation continues to grapple with a massive Covid-19 crisis, the Indian Air Force (IAF) is flying persistently for more than 40 days to transport life-saving gas oxygen within the country and bringing it from abroad. Three different sets of pilots are working at the moment as separate teams. They have been formed to work for Covid-19 relief, cyclone relief, and the last one for air maintenance in the northern areas with China and Pakistan.