Contestants prepare for the fixed-wing mothership-and-drone mission flight event during the 2026 China AOPA Adolescents Design Competition at Deqing county, Huzhou, Zhejiang province, on Sunday. The three-day competition features events including simulated carrier-based aircraft takeoffs, model rocket launches and recoveries, and multirotor drone transport, attracting more than 1,000 young aviation enthusiasts from across the country.