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Alphabet Inc.’s Wing subsidiary has developed a fleet of new drone prototypes designed to more efficiently deliver packages ranging from small pill bottles to items weighing as much as 7 pounds.

REMINGTON, Va. — For years, there’s been a cardinal rule for flying civilian drones: Keep them within your line of sight. Not just because it’s a good idea — it’s also the law.

GXO Logistics Inc. has deployed a new robotics system for air and ground security at one of its major distribution centers in Clayton, Ind., the company announced June 8.

Walmart soon will expand its drone delivery program across six states: Florida, Arizona, Arkansas, Texas, Utah and Virginia. Drone hubs will be set up at 34 sites by the end of the year.

Alphabet Inc.’s Wing is set to begin the largest drone-delivery test program so far in the U.S., starting April 7 in the Dallas suburbs.

A startup called Whisper Aero, which is disclosing its plans for the first time, thinks it may be well on its way to solving a noise problem related to drones.

Alphabet Inc.’s drone-delivery venture, Wing, is releasing free software for U.S. drone users to get permission to fly near sensitive areas such as airports.

The man behind the only electric plane cleared to fly quickly discovered the challenges of converting world-leading technology into profits in a hotly contested, futuristic segment of aviation.

The expected increase in commercial drone operations such as delivery flights is prompting accident investigators to expand the types of aviation crashes they plan to review.

Manna has raised $25 million to expand its drone fleet’s operations, including the addition of delivery services for prescription medical supplies and an initial expansion into the U.S.