To encourage swqimming safety, the Kingsport Aquatic Center is planning a massive swimming safety event.According to a release from KAC, the “World’s Largest Swim Lesson” will be held on Thursday, June 17th.| Local instructors encouraging adults to take swim lessons.The lesson starts at 2 p.m. and is open to people of all ages. The lesson is free with daily admission at KAC.The global event was created y the World Waterpark Association to encourage swim safety.