国防ETF(512670)收涨近1%，航改燃带来板块新机遇

Group 1 - The core viewpoint is that the commercial operation cycle of modified aviation fuel engines is approximately 45 days, with a quick deployment process that allows for rapid start-up and operation, making it a favorable choice for data center power supply [1] - The demand for modified aviation fuel engines is increasing, with companies like Siemens and Baker Hughes significantly expanding production, and FTAI planning to convert CFM56 engines into 25MW turbines, aiming for an annual production of over 100 units starting in 2026 [1] - Aviation Power, as the only domestic engine manufacturer, can convert retired engines into 20-30MW modified engines, potentially generating over 10 billion in value if 100 engines are modified, benefiting not only Aviation Power but also the entire aviation industry chain [1] Group 2 - The combination of domestic computing power and modified aviation fuel engines exemplifies self-sufficiency, with a focus on exporting complete systems to regions like Southeast Asia and the Middle East, addressing global electricity shortages [2] - As of February 13, 2026, the CSI Defense Index has seen a 0.27% increase, with significant gains in stocks such as Aviation Power (10.01%) and Aviation Materials (7.92%), indicating strong market performance [2] - The CSI Defense Index reflects the overall performance of listed companies in the defense industry, including those providing equipment to the armed forces or having contracts with the military [2][3]