July 29 (Reuters) - DoorDash on Wednesday launched its in-house drone-delivery program, DoorDash Air, after ‌securing a U.S. Federal Aviation Administration certification ‌to operate commercial drone deliveries in the U.S. Here are the key details:• ‌The program was ⁠developed by DoorDash Labs, its robotics and autonomy unit, and will eventually be ⁠integrated into its delivery app, according to a TechCrunch report. • DoorDash said it is building its ​own aircraft ​and broader drone infrastructure ​but did not provide ‌a timeline for commercial deployment. • The company will ​continue working with existing ​drone-delivery partners Wing ​and Flytrex even as it develops ‌its own capabilities, the TechCrunch ​report added. • ​DoorDash already operates a multi-modal delivery network that combines human couriers, its Dot sidewalk robots ​and autonomous delivery ‌partners, with drones serving as an additional ​fulfillment option.