Reno, Nev. – With help from partner Embry-Riddle Aeronautical University – Worldwide, the STIHL National Championship Air Races will be home to the first-ever Small UAS Challenge during this September’s 51st event. The challenge, which is free to enter and takes place Sept. 12 – 14, will test a number of skills and demonstrate a variety of small unmanned aerial systems (sUAS). The Small UAS Challenge is just the latest in a number of new and returning entertainment that is planned for this year’s Reno Air Races, which take place Sept. 10 – 14, joining previously announced acts like Melissa…