Group 1 - The core event of the founding ceremony was the military parade, which was a significant activity following the establishment of the People's Republic of China [1][2] - Mao Zedong emphasized the importance of the parade, referring to it as a "first battle" that needed to be executed well [2] - Two parade plans were proposed: one at Tiananmen Square and the other at Xiyuan Airport, with Tiananmen being favored for its central location and capacity to accommodate a large audience [2][3] Group 2 - The advantages of Xiyuan Airport included prior experience with a large parade and wide runways, but it lacked a review platform and was too far from the city center [3] - Zhou Enlai's recommendation favored Tiananmen Square for the parade, citing its logistical benefits and ability to host a large number of attendees [4] - Preparations for the Tiananmen Square included addressing various logistical challenges, such as flag hanging and safety measures [5][6] Group 3 - The parade involved over 16,000 troops from various branches of the military, including the Navy, Army, and Air Force [7] - Intense training took place under harsh summer conditions, with soldiers training up to 15 hours a day [8] - The cavalry unit faced unique challenges in achieving synchronized movements, which required extensive practice and innovative communication methods [9] Group 4 - The Air Force was initially not included in the parade plan, but later, a flying formation of 17 aircraft was organized to participate [10] - Security measures were implemented to ensure the safety of the parade, including establishing a defense against potential air attacks from the Nationalist forces [11] - The parade commenced on October 1, 1949, with Mao Zedong announcing the establishment of the Central People's Government, followed by a grand military display [12] Group 5 - The event was broadcasted live across the nation, marking the first large-scale live broadcast in China, termed "live broadcast" [13][14] - The broadcast team worked diligently to ensure that the sounds of the parade reached audiences nationwide, capturing the essence of the historic event [15]