The facility in western Ohio was licensed to house about 280,000 young hens raised to lay eggs. The destruction came amid egg shortages linked to an avian influenza outbreak.
The vice president and transportation secretary claimed that diversity hiring efforts had affected staffing levels among air traffic controllers, but there is no evidence that such efforts played a role in the crash.
Airlines have been increasingly outsourcing repair and upkeep work to other countries, but experts and consumer groups disagree about its impact on safety.