Question: In what year was the competition held that inspired the design of the only acknowledged aircraft that can carry large air-to-surface standoff weapons in stealth configuration?
Sentence (from "Northrop Grumman B-2 Spirit"): The Northrop (later Northrop Grumman) B-2 Spirit, also known as the Stealth Bomber, is an American heavy penetration strategic bomber, featuring low observable stealth technology designed for penetrating dense anti-aircraft defenses; it is a flying wing design with a crew of two.
Relevant evidence: Yes