Traditional navies as well as maritime terrorists can and have used mines and underwater improvised explosive devices (UWIEDs) to challenge military and commercial uses of the seas. More than thirty countries produce mines, and twenty countries export them. Iran has reportedly laid several thousand naval mines, North Korea’s 50,000, China 100,000 or so, and Russia …

Pilots rely more on vision than on any other sense to orient  themselves in flight. The visual sense is especially important in collision avoidance and depth perception. A pilot’s vision sensors are the eyes generally are most accurate and reliable sense, even though they are not perfect in the way …

Traditional systems engineering approaches to air systems design have been upended by two trends – increasing complexity and accelerating delivery timelines. Digital mission engineering is essential to these new challenges, enabling a system integrator to redirect work from physical systems to their logical representations.   Space systems are exceptionally complex, …