CHINA’s made a significant step forward in its bid to equal — and eventually surpass — United States air superiority. China’s J-20 stealth fighter jet, one of the few fifth-generation jets in the world, has been deployed to the South China Sea and is armed with live weapons to patrol the …

Naval Warfare depends a large extent on lethality and survivability of submarines, its principal weapon, therefore Navies have been researching new ways to make them quieter and increasing their underwater endurance. Propulsion system plays an extremely important role in the functioning of a submarine for the completion of its desired …

Large number of Americans suffer from PTSD. PTSD is a condition in which individuals feel anxiety and panic when reminded of a traumatic event. Current statistics suggest that between 6.8 and 10.1 percent of Americans will develop PTSD in their lifetimes making it the 5th most common psychiatric illness. “For …