Northrop Grumman Stock Slips After Q4 Revenue Miss, Moderate FY22 Outlook; Boosts BuybackBenzinga • 01/27/22
Northrop Grumman Corporation (NOC) CEO Kathy Warden on Q4 2021 Results - Earnings Call TranscriptSeeking Alpha • 01/27/22
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