Northrop Grumman stock falls after profit beat expectations but sales miss, amid labor market, supply chain challengesMarket Watch • 01/27/22
Northrop Grumman Releases Fourth Quarter and Full-Year 2021 Financial ResultsGlobeNewsWire • 01/27/22
America's chronic labor shortage is 'primary focus' for Northrop Grumman in 2022, CEO saysCNBC • 12/03/21