Northrop Grumman is taking a financial hit on its B-21 Raider stealth bomber
1. Northrop Grumman's first-quarter profits dropped due to B-21 Raider costs. 2. Sales totaled $9.5 billion, below analyst expectations of $9.92 billion. 3. The company incurred a $477 million pre-tax loss on the B-21 program. 4. B-21 Raider is crucial for the U.S. Air Force's future bomber fleet. 5. Increased production costs are expected to impact profits temporarily.