Technology Horizons is the vision for key Air Force science and technology investments over the next decade that will provide truly game-changing capabilities to meet strategic and joint force responsibilities. The coming decades hold promise for amazing new capabilities across the air, space, and cyber domains. Yes the Air Force will also be confronted with substantial strategic, technology, and budget challenges. The greatest advances will come with a focused investment of resources in the most promising technologies. This manuscript provides a clearly articulated credible assessment of the strategic environment and the enduring realities faces.