Did Iranian Pilots Encounter a Mach 10 Drone or Some Sort of UFO? Did Iranian Pilots Encounter a Mach 10 Drone or Some Sort of UFO? Kris Osborn · February 14, 2020 Please leave this field emptyStay Updated with Warrior Maven Subscribe for daily military news and updates delivered straight to your inbox. We don’t spam! Read our privacy policy for more info. Check your inbox or spam folder to confirm your subscription.