Leaner, Meaner, Costlier: All You Need to Know About the B-21 Raider

The Pentagon unveiled its next-generation strategic stealth bomber on Friday, with the plane, built by defense giant Northrup Grumman, expected to complement America’s existing bomber force, which includes the B-2 Spirit, the B-1B Lancer, and the ancient but dependable B-52 Stratofortress, when it enters service four-five years from now.