This week, the skies over Lakeland have been packed with planes as the Sun n Fun Aerospace Expo returned for its 52nd year.The roar of jet engines and the sight of vintage warbirds are drawing massive crowds to Sun n Fun at Lake land Linder Airport.WATCH: Sun n Fun pumps $60 million into Lakeland economy as crowds fuel local boom Sun n Fun pumps $60 million into Lakeland economy as crowds fuel local boomI like seeing the planes take off. Its very exciting because I live close and I can see them from my house, but Ive never seen them take off and land, so thats probably my favorite part, said Aspen Barrow.Attendance is already outpacing last year, with ticket sales up 25%. Visitors are getting a rare look at aviation history and innovation, including NASA's Super Guppy aircraft, open for tours for the first time this year.We have many exciting, cool aircrafts. We have the NASA Guppy over here. We got the Conn that came in yesterday. Lots of warbirds and P-51s, said Melissa Goodson, marketing director for Sun n Fun.From high-speed jet teams to historic planes, performers and pilots told Tampa Bay 28 reporter Rebecca Petit the event stands out from the rest.This is probably my favorite big airshow because it still has that grassroots feel to it. It feels like youre walking out of your local private airport 40 years ago, and everybodys just walking around, and people are naturally responsible and helpful, and the community is fantastic here, said pilot Jeff Shetterly.Shetterly brought a restored navy aircraft from Kansas and says its still practical decades later. It is just one example of the aviation passion on display. But its not just about whats in the sky.The performance is always great, but seeing the community behind the flight line. All the fly-in, all the campers, all the balloons, the STOL competition. I mean, just the sheer amount of things to do and see is what keeps me coming, said Becca Schriever.Families say the event has become a yearly tradition and an inspiration for the next generation.Its such a family event. I love that my kids get inspired. Their dad, my husband, is a pilot, so its like pilots flying airplanes. Thats basically our thing. We love it, said Veimaris Fountain.I like how all the airplanes just fly and doing cool stuff. Doing backflips and all of that. It makes us happy, added Isaiah Fountain.The expo delivers a major economic boost, generating over $60 million for the local economy. The proceeds support the Aerospace Center for Excellence.The funds go directly into our year-round education programs at the Aerospace Center for Excellence right here on this campus. These programs are built for our community, Goodson said.Sun n Fun Aerospace Expo runs until Sunday, April 19. ...read more read less