70 years ago today, February 13, 1955 (Lunar calendar January 21, 1955), the People's Liberation Army liberated the islands of Chen Island, Fish Mountain Island, Pichang Island and other islands. This is the People's Liberation Army occupied the island of Chen after the red flag was inserted on the island's unnamed highlands on February 13, 1955, the Chinese People's Liberation Army, Sea, Air Force coordinated operations, after the liberation of the island of Zhejiang, also liberated the islands of Chen Island, Fish Mountain Island, Pichang Island and other.