NOC ▲ +1.6% - Northrop Grumman Corporation $NOC - U.S. Air Force and Northrop Grumman Assemble Inert Missile, Progress Toward Sentinel Flight Testing Northrop Grumman rose 1.6% after the company and the U.S. Air Force successfully assembled an inert missile as part of progress toward Sentinel flight testing. The milestone advances the development of the Air Force's next-generation intercontinental ballistic missile program, a major defense contract for the company. 14-SEP-2026 01:45 PM ET