Northrop Grumman logo is seen in this illustration taken July 26, 2025. REUTERS/Dado Ruvic/Illustration/File Photo Purchase Licensing Rights, opens new tab April 21 (Reuters) - Defense supplier Northrop Grumman (NOC.N), opens new tabposted higher first-quarter revenue on Tuesday helped by strong demand for its aeronautics systems, including the B-21 Raider aircraft, amid a rise in global conflicts. Efforts by the Pentagon to rebuild weapons stockpiles strained by operations linked to Iran and other conflict ...