Little is known about the details of the newly unveiled B-21 bomber, but IISS's Ben Ho writes that from what we know, its mission set could expand to the sea.
B-21 Raider Archives - Breaking Defense
List of future military aircraft of the United States - Wikipedia
B-21 Raider: A Revolutionary Leap in Military Aviation
The RQ-180 Drone Will Emerge From The Shadows As The Centerpiece Of An Air Combat Revolution
LRSB Contract Coming 'Very, Very Soon': LaPlante - Breaking Defense
AF, Navy May Both Fly DARPA Missile Mothership - Breaking Defense
Rethinking the Role of Remotely Crewed Systems in the Future Force
America's B-21 Raider 'invisible' weapon to be unveiled today
Airframe: The B-52H Stratofortress > > Display
China's harsh reaction to Australia's new B-21 stealth bomber