You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

The final #satellite to form the #Beidou navigation network was successfully launched yesterday. When we mark this milestone of #China’s space technologies, we also salute the scientists who have put in 26 years of hard work to make this happen. https://t.co/hSGvUa7Dyu