The US army is developing a robot that can rescue wounded soldiers on a battlefield. The remote-controlled robot is called Battlefield Extraction-Assist Robot (Bear). Its capability will be travel over bumpy terrain while carrying a wounded soldier in its arms. The prototype can lift more than 135kg (300lb) with one arm and climb stairs while holding a human-sized dummy. The robot's face looks like a teddy bear with and ears and big eyes. It is expected to be ready for a field test within five years.