STS 123, also known as Endeavour (STS-123), is a winged orbiter spacecraft owned by JSC and manufactured by BNAP. It was launched on March 11, 2008, from LC39A at AFETR using the Space Shuttle launch vehicle. The spacecraft has dimensions of 37.3 meters in length and span with a diameter of 23.8 meters. Its dry mass is 88,618 kg, and it had a launch mass of 97,434 kg. STS 123 is powered by fuel cells and batteries and equipped with two OME (AJ10-190) motors. The satellite has a box-shaped structure with wings and fins and weighs approximately 48.943 tons. Its purpose is to serve as a crewed spacecraft for various missions.