Advanced Propulsion Systems

The Pentagon is tightening its battery playbook as drones spread across the force. Officials confirm a department-wide battery strategy will be published in early 2026. It builds on the 2023 framework and new direction from Congress. The plan ties standards, safety, supply and stockpile policy to growing demand from small UAS, shipboard systems and undersea vehicles. Leaders expect the strategy to align acquisition with industrial capacity and to reduce exposure to fragile mineral supply chains.

The Defense Advanced Research Projects Agency has shut down its three-year effort to build the Liberty Lifter, a heavy-lift seaplane that would skim above waves on a cushion of air. According to industry sources, the agency notified performers on July 12 that work had officially ended after internal reviews found no clear path to an affordable prototype within the 2028 schedule.

The Defense Advanced Research Projects Agency has closed the books on its Demonstration Rocket for Agile Cislunar Operations program. Defense officials confirm the termination order went out late Monday. The move ends a five-year push to field a nuclear-thermal upper stage able to sprint between Earth and the Moon. According to industry sources, the agency pulled remaining funds into other space access lines once it judged the return on investment had vanished.