Today, 46 years ago, on 24 December 1979 (November 6), the Western European joint launch "Ariana" rocket was successful. On 24 December 1979 at 18:13 (Paris time), the Western European "Ariana" rocket was successfully launched at the Kourou launch site in French Guiana. French President Giscard Dustin telegramed the head of the French National Space Research Center and the relevant persons immediately after the rocket launch was successful. The message said: "This achievement is the model result of cooperation between France, the Federal Republic of Germany, Belgium and their European partners." The "Ariana" rocket is a class 3 rocket, 47.7 meters high, weighing more than 200 tons, the rocket pushing power is 245 tons. This launch is expected to be the first in 1981 to determine the performance of such a rocket. Before the