The United States Naval Research Laboratory (NRL) recently conducted a demonstration at the Marine Corps Air Ground Combat Center in California, showcasing the potential of hydrogen power to enhance warfighter capabilities. The focus of the NRL's research is on utilizing hydrogen to improve the efficiency and extend the operational limits of unmanned aircraft and ground systems for both Marines and Sailors. By outfitting unmanned aircraft systems with hydrogen fuel cells, the demonstration illustrated significantly longer operational times, particularly beneficial for maintaining intelligence, surveillance, and reconnaissance capabilities in the air. The use of hydrogen technology also provides a strategic advantage against adversarial forces by reducing thermal and audible signatures for ground systems, allowing warfighters to operate undetected under enemy observation. The demonstration included an Ultra-Light Tactical Vehicle equipped with enhanced hydrogen storage and a hydrogen fuel cell capable of operating high-energy-demand weapon systems. Testing these systems in the challenging environment of the Marine Corps Air Ground Combat Center ensures their performance under high temperatures and arid conditions. The NRL's continued focus on advancing hydrogen technology through sponsor-funded research projects aims to enhance the capabilities of the U.S. Navy and U.S. Marine Corps, ensuring they maintain a competitive edge in future conflicts.