Hypersonic refers to aircraft, missiles, rockets, and spacecraft that can reach atmospheric speeds in excess of Mach 5, which is almost 4,000 miles per hour or 6,125 kilometers per hour or more.  Flying along the edge of space while gliding and maneuvering these missiles would strike targets with unprecedented speed …

Throughout history animals have accompanied men into combat as modes of transport and communication, protectors and companions. They have fulfilled a variety of roles – from carrying men and munitions to evacuating the wounded, performing guard and sentry duties to carrying out search and rescue operations, detecting gas in trenches to locating …