Last Sunday, the US Air Force conducted a test launch of the AGM-183A Air-Launched Rapid Response Weapon, or ARRW, over the Pacific. This missile was once slated to become America’s first in-service hypersonic weapon, but after a series of testing failures, now has an uncertain future. Let’s talk about what this weapon is, what it’s capable of, and why it could provide the United States with a unique and utterly unmatched strike capability if it does make its way to service.