Group 1 - The core viewpoint is that the verified 5-year lifespan of low Earth orbit (LEO) satellites indicates a significantly higher future demand for satellite launches, particularly in the commercial space sector [2] - The domestic GW satellite constellation plans to launch a total of 12,992 satellites, while the G60 constellation plans for 12,000 satellites, leading to substantial annual satellite replacement needs after 5 years, which will drive growth in the commercial aerospace sector [2] - The defense and military sector's arms trade logic is also a key factor contributing to the recent strong market performance and capital inflow into the defense industry [2] Group 2 - The National Defense ETF (512670) has seen a 0.28% increase, with its associated index, the China Securities National Defense Index (399973.SZ), rising by 0.43% [1] - Key component stocks include Plater (up 6.15%), Aero Engine Corporation of China (up 1.19%), Western Superconducting Technologies (up 1.96%), AVIC Optoelectronics (up 0.78%), and AVIC Shenyang Aircraft Corporation (up 0.61%) [1] - The National Defense ETF has the lowest management and custody fees among its peers at only 0.40%, making it an attractive option for investors [2]