“Iran had launched some 78 attacks on U.S. positions in Syria since January 2021.”  Here’s another.  See “U.S. launches airstrikes in Syria after drone kills U.S. worker,” Politico, 3-24-23.

Four attacks by Iran against the U.S. in 36 hours.  “US retaliates with airstrikes after drone attack on American base in Syria,” CBS, 3-24-23.