During an experiment, pilots detected a drone only about 30% of the time.
The Expo will feature indoor and outdoor model aircraft flying, a night airshow, rocket launches, drone racing, and more.
Cadets also had the opportunity to test their skills with a squadron-built drone.
Last spring, the South Dakota Legislature approved a one-time drones to use in search-and-rescue efforts.
Initial testing will be conducted in Bigfork, Montana, at uAvionix headquarters.
As tariffs boost the price of new drones, looked at used models may make more sense.
The system will resemble popular car-driving apps that alert drivers to traffic risks.
The company expects to begin drone delivery flights this year.
"Manned aircraft must have the right-of-way in all circumstances."
pingRX can provide a digital view of ADS-B equipped aircraft up to hundreds of miles away.