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Nuclear Propulsion

All articles tagged with #nuclear propulsion

NASA’s Moon Nuclear Push: A 2030 Reactor Quest and 2028 Mars Propulsion Demonstration
space1 day ago

NASA’s Moon Nuclear Push: A 2030 Reactor Quest and 2028 Mars Propulsion Demonstration

NASA and the Department of Energy signed an MoU to develop a 100+kW fission surface power reactor for deployment on the Moon by 2030, with DOE providing fuel and regulatory oversight while NASA funds and leads the program; a parallel SR-1 Freedom nuclear-electric propulsion track aims to demonstrate Mars missions by 2028. The initiative seeks to overcome decades of space-nuclear delays by tying explicit mission needs, fixed-price contracting, and formal interagency leadership to the effort, though whether it will deliver a working reactor and a practical Mars transfer by the target dates remains uncertain. Geopolitically, the plan notes potential 'keep-out zones' if rivals beat the U.S. to the Moon, underscoring a broader strategic dimension to the push. The project is estimated around $3 billion over five years.

NASA bets on nuclear propulsion to slash Mars journeys
science-tech12 days ago

NASA bets on nuclear propulsion to slash Mars journeys

NASA is accelerating nuclear propulsion efforts to shrink the Mars trip from more than six months to roughly three to four months, using nuclear thermal propulsion for high thrust and nuclear electric propulsion (ion thrusters) for fuel-efficient, long-duration power. The uncrewed SR-1 Freedom mission is planned for 2028 to test nuclear-powered deep-space travel and deploy Skyfall drones, aiming to prove the technology for future crewed missions. While offering shorter radiation exposure and more launch-window flexibility, the program faces safety, regulatory, and integration challenges before human flights.

Navy Moves to Nuclear-Powered Trump-Class Battleships
military14 days ago

Navy Moves to Nuclear-Powered Trump-Class Battleships

The U.S. Navy now plans to power the Trump-class BBGNs with nuclear reactors, purchasing 15 ships from FY2028–2055 at about $17 billion each to gain extended endurance, higher power, and capacity for advanced weapons and command-and-control functions; the move reverses earlier doubts, but introduces higher cost and complexity amid tight shipyard capacity, with the first vessel, USS Defiant, expected around FY2036.

NASA's Space Reactor-1 Freedom aims for Mars with a trio of scout helicopters
science1 month ago

NASA's Space Reactor-1 Freedom aims for Mars with a trio of scout helicopters

NASA plans to launch Space Reactor-1 Freedom in 2028, the first nuclear-powered interplanetary spacecraft, using nuclear electric propulsion to reach Mars and carry three Skyfall scout helicopters to map terrain and locate subsurface water ice for future crewed missions; this mission sits within NASA’s broader exploration reboot, which pauses Gateway to focus on a permanent lunar base while keeping Dragonfly to Titan and Rosalind Franklin Rover to Mars on track.

NASA maps a lunar base push while eyeing a nuclear-powered Mars mission
space1 month ago

NASA maps a lunar base push while eyeing a nuclear-powered Mars mission

NASA’s new leadership unveiled an ambitious plan: fast‑track a permanent Moon base by repurposing Gateway assets and increasing robotic landers, pause the Gateway project, and accelerate a nuclear electric propulsion–powered Mars mission by 2028, while weighing funding, timelines, and private‑sector collaboration as Artemis progresses toward returning humans to the Moon.

NASA targets nuclear-electric propulsion with SR-1 Freedom, rebooting Voyager-era power talk
space2 months ago

NASA targets nuclear-electric propulsion with SR-1 Freedom, rebooting Voyager-era power talk

NASA is pursuing Space Reactor-1 Freedom, a 20-kilowatt fission reactor to power a nuclear-electric propulsion system for an interplanetary mission planned for 2028; the NEP approach would use reactor-generated electricity to run an ion engine, a shift from RTGs that have powered Voyager for decades. The project sits in NASA's long history of space nuclear power (SNAP, SNAP-10A, DRACO) with safety and regulatory hurdles still in play; Voyager probes remain RTG-powered and active.

NASA repurposes Gateway core for a nuclear-powered Mars mission
space2 months ago

NASA repurposes Gateway core for a nuclear-powered Mars mission

NASA plans to pause Lunar Gateway work and repurpose its Power and Propulsion Element into SR-1 Freedom, a nuclear-electric propulsion demonstration using a uranium-fueled fission reactor and electric thrusters to reach Mars by the 2028 launch window. The mission will also deploy three Ingenuity-like helicopters (Skyfall) on Mars to scout landing sites, with the mothership’s fate to be decided after arrival. The plan faces significant technical, safety, and certification hurdles, and no cost figure has been disclosed.

NASA bets on nuclear-electric power for a 2028 Mars mission
space2 months ago

NASA bets on nuclear-electric power for a 2028 Mars mission

NASA Administrator Jared Isaacman and agency leaders announced Space Reactor-1 Freedom, a nuclear-electric propulsion mission to Mars set for December 2028 that repurposes the Lunar Gateway’s Power and Propulsion Element (PPE) to run xenon ion thrusters and carry three Ingenuity-class helicopters for surface scouting. The spacecraft will host a 20+ kilowatt fission reactor with a closed Brayton power cycle, using solar panels to supply electricity when the reactor is off. The mission aims to demonstrate Nuclear Electric Propulsion as a pathfinder for high‑power, long‑duration journeys and to inform future missions, with readiness milestones in 2027–2028 and a plan to arrive near Mars about a year after launch; it could spawn further concept missions like Lunar Reactor-1 and invite commercial partners and student payloads.

NASA charts $20B lunar base plan and nuclear Mars mission
science-and-technology2 months ago

NASA charts $20B lunar base plan and nuclear Mars mission

NASA unveils a seven-year, $20 billion overhaul to build a surface lunar base with robotic prep, repurpose the Lunar Gateway for surface infrastructure (pausing its orbital role), and advance a nuclear-powered Mars mission via Space Reactor 1 Freedom by 2028, including a Mars helicopter test; the move reshapes Artemis and heightens competition with China.

NASA Bets on Nuclear-Powered Skyfall Helicopters for Mars by 2028
science2 months ago

NASA Bets on Nuclear-Powered Skyfall Helicopters for Mars by 2028

NASA unveiled the Skyfall concept: six small helicopter scouts would ride to Mars on a nuclear-electric propulsion spacecraft called Space Reactor-1 (SR-1) Freedom, targeting a 2028 launch. The mission would demonstrate onboard fission power powering efficient electric thrusters, enabling surface reconnaissance and data collection to aid future crewed Mars missions and broader outer-planet exploration, while shaping a regulatory and industrial base for nuclear power in space.