From the first flight of the KC-46 tanker to the C-17 Globemaster III fleet reaching 3 million flight hours, and innovation from deep sea underwater vehicles to deep space, 2015 was a year of exploring, protecting and soaring.  

Check out these posts that highlight just some of the many milestones of 2015:  

KC-46 Tanker Program Achieves Aviation History on Historic Air Force Day B-52 Enters the Digital Age CNO Greenert Warns Congress of Fighter Shortfall Towering Toward Restoring U.S. Manned Spaceflight C-17 Fleet Soars Past 3 Million Flying Hours Aerospace Suppliers Talk Ex-Im, Sequestration with the Hill Protecting the United States Against Ballistic Missile Attack Rethink business and beat the best-case cost estimate for the U.S. Navy Echo Seeker Unmanned Underwater Vehicle Explores Deeper, Stays Longer Key to Attack Helicopter Mission Success: Apache Longbow Crew Trainer Boeing Satellites Help the World Run on GPS Time