Group 1 - The aerospace and defense sector is experiencing a strong performance, with the CN5082 index rising by 0.58% as of July 29, 2025, and key stocks such as China Shipbuilding Emergency (300527) and North Navigation (600435) showing significant gains of 5.59% and 4.74% respectively [1] - The upcoming Army Day is contributing to the sustained strength of the military industry, with Shanxi Securities indicating that 2025 will be a pivotal year as delayed orders from the 14th Five-Year Plan are gradually released, leading to improved demand [1] - The military industry is expected to enter a new phase of prosperity, driven by the release of delayed orders, the initiation of the 15th Five-Year Plan, and increasing military expenditures due to global regional tensions [1] Group 2 - The Aerospace ETF (159227) tracks the CN5082 index and has a high concentration in the defense sector, with a weight of 98.2%, making it the purest military ETF in the market [2] - As of June 30, 2025, the top ten weighted stocks in the CN5082 index account for 49.42% of the index, with companies like Guoke Technology (002625) and AVIC Shenyang Aircraft (600760) among the leaders [2]