The ashes have settled over the charred Louisville neighborhood where nine people remain missing and families cling to hope as investigators comb through the wreckage of Tuesday’s fatal UPS cargo plane crash.

UPS and FedEx's fleets of MD-11 planes are grounded, which can each carry thousands of packages. Logistics experts say some cargo could shift to passenger planes, trains and trucks.

Richard Wartenberg served as a pilot in the Air Force Reserve starting in 1974, according to an official. He was respected among his peers.