Memorial Day and Veterans Day are holidays mainly celebrated in the US. Memorial Day remembers the people who died while serving in the Armed Forces, whereas Veterans Day honors all the people, living and dead...

Drones are semi-autonomous vehicles that are attached to a larger spacecraft, and are designed to expand the ship's launching capabilities. RC Planes are controlled with a handheld radio transmitter,...

Drone is also known as Unmanned Aerial Vehicles (UAV). Drones are semi-autonomous vehicles start on from larger spacecraft designed to expand the launching ship's capabilities. UAV, short for Unmanned...

A chemical weapon is any weapon that uses a man-made chemical to kill people. On the other hand, a biological weapon uses a bacteria or virus, or in some cases poison that come directly from bacteria to kill...

SSN is an abbreviation for Submersible Ship Nuclear, whereas SSBN stands for the Submersible Ship Ballistic Missile Nuclear. They both are attack submarines. The difference between the two is based on their...