Actor R Madhavan recently met Indian-origin?astronaut Sunita Williams in the United States while promoting his directorial debut, 'Rocketry: The Nambi Effect.' Following his appearance at Cannes 2022, the actor is on a 12-day promotional tour in the United States. He met Williams during a recent visit to Stafford, Texas, and was joined by ISRO engineer Nambi Narayananan, whose life was the subject of the film. June 3 was also announced as ' Nambi Narayanan Day' by the city's Mayor Cecil Willis.