UPS on Thursday identified three crew members who died aboard a cargo plane that crashed shortly after taking off in Louisville, Kentucky, earlier in the week — killing at least 13 people in total.

"Words can’t express the sorrow we feel over the heartbreaking Flight 2976 accident," UPS Executive Vice President Nando Cesarone said in a statement. "It’s with great sorrow that we share the names of the UPS pilots on board UPS Flight 2976. Captain Richard Wartenberg, First Officer Lee Truitt, and International Relief Officer Captain Dana Diamond were operating the flight."

According to the Federal Aviation Administration, UPS Flight 2976 went down Tuesday around 5:15 p.m. local time after departing the airport. The McDonnell Douglas MD-11 was headed to Daniel K. Inouye International Airpo

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