>>507644625 (OP)the united states is deliberately maintaining a position of strategic ambiguity, both to give itself an advantage in the event of its entrance into the war, and to put pressure on iran.
the ambiguity changes iran's game theory when it comes to, for example, shutting down the strait of hormuz or attacking US planes in gulf countries, or activating its proxies in other countries.
US forces in the middle east have always served as a tripwire, but this is a new level