互联网低轨09组卫星成功发射，全市场规模最大航空航天ETF（159227）持续拉升，天和防务领涨

Group 1 - A-shares indices collectively rose on August 18, with the aerospace and defense sector rebounding, as the Aerospace ETF (159227) increased by 1.26% and achieved a trading volume of 96.81 million yuan, leading its category [1] - The stock holdings in the Aerospace ETF saw significant gains, with Tianhe Defense rising over 7%, and Guangqi Technology and China Haifang both increasing by over 6% [1] - On August 17, China successfully launched the low Earth orbit satellite internet constellation using the Long March 6 carrier rocket, marking a significant achievement in the country's commercial aerospace sector [1] Group 2 - Since the end of July, the frequency of satellite launches in China has significantly increased, indicating a rapid acceleration in network deployment, which is expected to drive growth in the commercial aerospace industry [1] - The Aerospace ETF closely tracks the National Aerospace Index, with a high concentration of 98.2% in the military industry, covering key sectors such as aerospace equipment, satellite navigation, and new materials [1] - The ETF includes leading companies in the military sector and has a substantial weight of 25.14% in the commercial aerospace concept, highlighting the growing importance of this sector [1]