What is military RAS?
Military robotic and autonomous system (RAS) comprises minimally of a platform, software, and a power source. Military RAS consists of three platforms, namely, unmanned aircraft system, unmanned ground & robotic system, and unmanned maritime system. An unmanned aircraft system (UAS), commonly known as a drone, is an aircraft without any human pilot, crew, or passengers on board. UAVs are a component of an unmanned aircraft system, which includes adding a ground-based controller and a system of communications with the UAS. An unmanned ground and robotic system (UGRS) is a vehicle that operates while in contact with the ground and without an onboard human presence. UGRSs can be used for many applications where it may be inconvenient, dangerous, or impossible to have a human operator present. Unmanned maritime system (UMS) refers to all systems, subsystems, associated components, vehicles, equipment, and logistics for the operation of UAVs. These vehicles can be operated on the surface or underwater and may be remotely operated, partially or fully autonomous.
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Which of the following is not one of the three main platforms of military RAS?