The drone did NOT crash, it glided in which means it was either hacked, or it ran out of fuel. This particular drone is a delta wing design, and having flown many delta wing planes in my time I can attest to how well they glide. Looking at the picture there is hardly any noticeable scuffing on the front of the nose (where most damage is done on a glide landing) where it plowed into the Sand. Which makes me suspect that it was either dumb luck it landed so gently, or that someone was actually in control and landed it. there might be some truth to the ability of Iran to hack our drones, perhaps.