Core Viewpoint - The article highlights the commemoration of martyr Zhang Chao, emphasizing his sacrifice for China's aircraft carrier aviation program and the advancements in military technology showcased during the recent military parade [2]. Group 1: Commemoration and Sacrifice - Zhang Chao, a naval pilot, tragically died at the age of 29 during a training exercise in 2016, becoming the first martyr for China's aircraft carrier aviation [2]. - His father, Zhang Shenghua, visited Zhang Chao's memorial to share the pride of recent military advancements and express the nation's remembrance of his son's sacrifice [2]. Group 2: Military Advancements - The recent military parade featured various advanced aircraft, including the J-16 and J-20, which impressed Zhang Shenghua, who noted the significant progress in China's self-developed military technology [2]. - Zhang Shenghua expressed pride in the new military equipment, stating that it reflects the strength and independence of the nation, contributing to the security and stability of the country [2].