Wal-Mart Stores Inc. is testing drones that it says will help it manage its warehouse inventory more efficiently, and which it said Thursday could be rolled out in the next six to nine months across its distribution centers. The move is another sign of how the nation’s largest retailer is seeking to compete against online leader Amazon.com, which is testing drones to deliver packages.

During a media tour Thursday at a distribution center, Wal-Mart offered a peek at a drone that flies around the massive center, captures images in real time and flags the misplaced items. Wal-Mart says using the drones enables it to check inventory in about a day or less, instead of a month that it takes manually. READ MORE