Today we remember all those who lost their lives in the #September11, 2001 terrorist attacks on the United States. We also remember that when we needed them, @NATO Allies had our back. They invoked the collective defense clause of the founding treaty & came to our aid.

Today we remember all those who lost their lives in the #September11, 2001 terrorist attacks on the United States. We also remember that when we needed them, @NATO Allies had our back. They invoked the collective defense clause of the founding treaty & came to our aid. #WeAreNATO pic.twitter.com/NTonmthwLn

— US Mission to NATO (@USNATO) September 11, 2020