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US plans to put a nuclear power plant on the moon.

NASA and the U.S. Department of Energy will seek proposals from industry to build a nuclear power plant on the moon and Mars to support its long-term exploration plans. The proposal is for a fission surface power system, and the goal is to have a flight system, lander and reactor ready to launch by 2026.

Anthony Calomino, NASA’s nuclear technology portfolio lead within the Space Technology Mission Directorate, said that the plan is to develop a 10-kilowatt class fission surface power system for demonstration on the moon by the late 2020s. The facility will be fully manufactured and assembled on Earth, then tested for safety and to make sure it operates correctly.

Afterwards, it will be integrated with a lunar lander, and a launch vehicle will transport it to an orbit around the moon. A lander will lower it to the surface, and once it arrives, it will be ready for operation with no additional assembly or construction required. The demonstration is expected to last for one year, and could ultimately lead to extended missions on the moon, Mars, and beyond.

The fission surface power system will be fully manufactured and assembled on earth and integrated on a lander as a payload.

The system consists of four major subsystems including a nuclear reactor which is an electric power conversion unit, heat rejection array, and power management and distribution subsystem and will be designed to operate for up to 10 years.

The outgoing President Donald Trump, issued the “National Strategy for Space Nuclear Power and Propulsion” on 16 December.

Under it, he asked Nasa to “initiate fission surface power project for lunar surface demonstration by 2027 with scalability to a power range of 40 kilowatt-electric and higher to support a sustained lunar presence and exploration of Mars”.

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