The US Air Force (USAF) is leading a pioneering green hydrogen megaproject that utilizes geothermal energy to enhance energy security and operational efficiency. By exploring green hydrogen production through advanced geothermal systems, the USAF aims to establish a sustainable and independent energy source that can function without external power supplies. The initiative involves collaborations with companies like Eavor Inc., Teverra, and Zanskar Geothermal & Minerals, Inc. to trial cutting-edge geothermal technologies in locations such as Texas, Alaska, Idaho, and California. Green hydrogen production from renewable resources via electrolysis systems offers a clean energy alternative for military operations and supports the transition towards a hydrogen-based economy. While challenges like suitable underground conditions and production costs exist, the USAF's megaproject sets a positive precedent for wider hydrogen technology adoption and emphasizes the importance of policy and infrastructure development to support these initiatives. The project not only aims to reduce carbon footprints and improve energy resilience but also aligns with global sustainability goals, showcasing the military's commitment to environmental responsibility and energy independence.