Storming our embassy and taking hostages in 1979
Killing 241 US marines (and 58 French soldiers) in the Beirut barracks bombing in 1983
Kidnapping the CIA Beirut station chief and torturing him to the point of insanity then murdering him in 1984
Building IED factories then smuggling the IEDs into Iraq, killing hundreds of our soldiers
IRGC in American uniforms kidnapping and murdering 5 US soldiers in Karbala, Iraq, on January 20, 2007, an operation personally planned and overseen by General Soleimani
Plenty more