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 American story is filled with men and women who went above and beyond the call of duty—whose lives were spent in defense of the liberties we hold dear. https://t.co/PFJBklKtMd