A helicopter, or chopper, is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward, and laterally. These attributes allow helicopters to be used in congested or isolated areas where …

China, Russia and North Korea are looking to develop their submarine fleets . Russia is seeking to further bolster its sub-surface capabilities, with new generations of conventional and nuclear propulsion submarines, which promise to be significantly more difficult to detect and track for western naval forces. This includes the Yasen, …

In 2009, the U.S. Navy  began construction of the first new type of aircraft carrier in nearly thirty-five years. The Navy refers to its newest aircraft carrier, the USS Gerald R. Ford, as “4.5 acres of sovereign U.S. territory. Gerald R. Ford is a class of supercarriers being built to …