6L16 EOG(click to view full) Submarines travel underwater, but they all need oxygen. Diesel-electric submarines need it for their engines, and must surface to get it, though modern AIP (Air Independent Propulsion) supplemental systems allow one to cruise at moderate...
Tiger HAD w. Spike(click to view full) The Spike missile family is designed around 2 key principles: low life cycle cost, and simple but reliable operation. Low life cycle cost comes from keeping prices down for all components by using “good enough”...