Home - Aerospace & Defense Technology, Aerospace and Defense Technology is the evolution of two great publications — Defense Tech Briefs and Aerospace Engineering — coming together as one to cover the latest advances in military AND commercial aerospace from the DoD, NASA, and major industry leaders. By combining cutting edge design briefs from the Air Force, Army, Navy, and DARPA, and rich, in depth feature content focusing on the most innovative aspects of aerospace engineering for commercial applications, Aerospace and Defense Te.