>"It is striking to me that Prime Minister Netanyahu must go back to an Iranian report of a March 2016 ballistic missile test to make his point about malign Iranian intentions," said Greg Thielmann, a former foreign service officer and Senate Intelligence Committee staffer who is now a board member at the Arms Control Association.

>He suggested that the Hebrew lettering may have been "a one-time event, and not necessarily authorized in Tehran." The botching of the text may suggest that the gambit was ad-hoc "sloganeering" by the Islamic Revolutionary Guard Corps, "rather than an explicit policy dictated from the top," Thielmann said.

From your link.