Lt Cdr Vivek Chaudhary (Retd) (born on July 6, 1983) of Haryana, India, is titled as ‘Grand Master’ for being a Submariner turned into a Commercial pilot. He got independent charge of submarine on June 28, 2011 and achieved the Dolphin Badge. He also achieved commercial pilot licence on July 27, 2020 from Director General of Civil Aviation (DGCA) on completing 205 hours of flying training, as confirmed on July 3, 2021.