多艘油轮突破美国封锁，离开委内瑞拉

Group 1 - At least 16 oil tankers attempted to break through the U.S. maritime blockade of Venezuela, with 4 successfully leaving Venezuelan waters [1] - The oil tankers used methods such as disguising their real locations or turning off their transmission signals to evade the blockade [1] - Satellite images indicate that these tankers had been docked in Venezuelan ports for weeks before departing after the U.S. took control of President Maduro [1] Group 2 - One of the oil tankers has traveled hundreds of kilometers away from Venezuela and is heading northeast in the Atlantic, located about 40 kilometers west of Grenada [1] - Another 12 tankers have not sent any signals and have not been located in satellite images [1] - Reports indicate that at least 4 tankers briefly stayed near the maritime border of Venezuela before leaving through a route north of Margarita Island [1]