NASA's historical focus on fuel cell technology stemmed from the necessity to reduce weight for Moon missions during the Apollo era. The agency's investment in fuel cells was primarily driven by the exorbitant costs associated with launching mass into space. Fuel cells became crucial for providing electricity on long space missions due to their higher specific energy compared to batteries. UTC Power, now HyAxiom Inc., played a pivotal role in the evolution of fuel cell technology, transitioning from supplying NASA's space shuttles to commercializing fuel cells for various applications. The environmental advantages of fuel cells, such as generating electricity and heat while producing water as a by-product, have contributed to their growing popularity for sustainable energy solutions. HyAxiom's 440-kilowatt phosphoric acid fuel cell, a direct descendant of NASA's early fuel cell developments, is now a prominent product powering commercial establishments and educational institutions across the United States.