FALLS CHURCH, Va., May 14, 2024 (GLOBE NEWSWIRE) -- Northrop Grumman Corporation (NYSE:NOC) announces that Dave Keffer, corporate vice president and chief financial officer, has announced his intent to retire, effective February 21, 2025, to spend more time with family. In addition, Mark Caylor, corporate vice president and president of Mission Systems, has announced his intent to retire, effective July 26, 2024. The board of directors has elected Kenneth B. Crews, vice president of business management and ...