Future delivery drones may descend from the air so they don’t get stuck on pesky tree roots.

The unit is about the size of a cooler and resembles a shorter version of R2D2.

This isn’t quite a full retirement.

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Ian Dewar Photography / Shutterstock.com

Instead, the program is being reoriented.

“As a result, we are ending our field tests and reorienting the program.”

The company is stilltesting drone deliveriesin California as part of Prime Air.

There are no stairs in the sky.