U.S. supermarket chain Kroger Co. will started using unmanned autonomous vehicles to deliver groceries Scottsdale, Arizona, according to a Reuters report.

The pilot program is in partnership with Nuro’s R1, a custom unmanned vehicle.

"Nuro launched the first-ever unmanned delivery service for the general public," Nuro Co-Founder Dave Geruson wrote in a blog. "People in Scottsdale, Arizona can now have their groceries delivered by the R1, a self-driving, unmanned on-road vehicle. We are incredibly proud of our team and our partners for reaching this milestone together.

Kroger said the service would be available in Scottsdale at its unit Fry’s Food Stores for $5.95 with no minimum order requirement for same-day or next-day deliveries.